Skip to content

Latest commit

 

History

History
1220 lines (980 loc) · 51 KB

CHANGELOG.md

File metadata and controls

1220 lines (980 loc) · 51 KB
Raw

ZedGraph Changelog

Unreleased

Enhancements:

  • Add support for .NET Standard 2.0 (@axunonb)
  • Add .NET Framework 4, 4.5, 4.6, 4.7 specific assemblies

Breaking changes:

  • Moved Windows Forms components to seperate assembly / package

New Features:

  • None

Version 5.1

Version 5.1.7

  • Updates to the cursor and point values tooltip.
  • Update zoom frame drawing to support HDPI display modes.
  • Updated the PrintDialog to use the UseEXDialog property, functionally controlled through UseExtendedPrintDialog property.
  • Fixed an issue with the OHLCBarItems where the width of the bars was incorrect on non-oridinal axis.
  • Fixed an issue with the scales that caused very small ranges to not display the scale with a magnitude.

02-Dec-2008 (By rjosulli) v5.1.5 Release

  • [FIX] Ensure error bars do not always render with 0 as the lowest value

16-Feb-2008 (By Champion)

  • [FIX] Fix exeption on null string (by Colin Dabritz)
  • [FIX] Make MakeTitle convert nulls to empty strings (By James Dunkerley)

30-Dec-2007 (By Champion)

  • [FIX] Fix Cross axis problem for Y2 Axes (thanks to jim (jjs9) for the fix)
  • [FIX] Remove color from Line (it's already in LineBase) for Serialization
  • [FIX] remove arbitrary limit on step size in BarSettings.cs (thanks to James Dunkerley)
  • [FIX] Make Line.cs copy constructor call LineBase copy constructor
  • [FIX] Use fixed width for candlestick legend entries (thanks to brien)
  • [FIX] Use wider width for OHLC legend entries (similar to Candlesticks)
  • [NEW] Add custom CursorValueEvent to ZedGraphControl

28-Nov-2007 (By Champion) v5.1.4 Release

  • [NEW] Add XDate.CompareTo() method with IComparable interface (thanks to Stefan)
  • [FIX] Copy constructor for CurveItem was missing _color
  • [FIX] PointPairList sort for small values (less than 1e-10)
  • [FIX] DateAsOrdinalScale.SetDateFormat() to handle GraphPane.IsBoundedRanges
  • [NEW] Add Slovak language locale file (thanks to thetamius)

3-Nov-2007 (By Champion) v5.1.3 Release

  • [UPD] HiLowBarItem is now the same as BarItem except for the Z value (Size & AutoSize are gone)
  • [UPD] BarType.HiLowCluster is no longer needed
  • [UPD] Move IsAntiAlias functionality to MasterPane and propogate properties
  • [UPD] Make clipboard and saveas() methods for ZedGraphControl honor AntiAlias settings for MasterPane
  • [UPD] Change DataSourcePointList public property BindingSource to a BindingSource type (instead of object)
  • [NEW] Add RollingPointPairList.RemoveRange() (thanks to bc)

25-Oct-2007 (By Champion) v5.1.2 Release

  • [FIX] DataSourcePointList problem with accessing reflection data & name "Item"
  • [FIX] Add protection for DBNull to DataSourcePointList
  • [UPD] Add ZedGraphControl.SaveAs() overload with default name (thanks to Mark Gray)
  • [UPD] Modify FilteredPointList to handle non-equal-spaced data (thanks to ingineer)
  • [ADD] Add ZedGraphControl.CopyEmf to supply Emf format to clipboard
  • [UPD] Use helper class to add Emf output data from ZedGraphControl.SaveAs()
  • [UPD] Fix HiLowBarItem for clustered result

25-Sep-2007 (By Champion) v5.1.1 Release

  • [FIX] Add CacheItemPriority.NotRemovable to protect temp images from premature removal (thanks to nocnoc)
  • [FIX] Protect MinorStep and MajorStep properties from values below 1e-300 to avoid lockup
  • [UPD] Make DataSourcePointList generate ordinals instead of PointPair.Missing for missing arrays
  • [FIX] Problem with optimized draw for lines -- it can draw incorrectly for data that doubles back on itself
  • [FIX] Make Line.IsOptimizedDraw false by default, and no optimization for curves less than 1000 pts
  • [FIX] DateAsOrdinal axis format option was not set correctly
  • [FIX] DateAsOrdinal.MakeLabel() method needs to use X for XAxis and Y for YAxis
  • [FIX] Have DateScale.PickScale() automatically set Scale.Format even if _majorStepAuto is false.
  • [NEW] Add SymbolType.UserDefined and Symbol.UserSymbol (thanks to Magnus Bernhardsson)
  • [FIX] Fix CreateBarLabels settings for Y2 axis curves (thanks to jakeab)
  • [FIX] FindNearestPoint handles X2 axes correctly
  • [UPD] FindNearestObject is more accurate, and includes X2 axis now

11-Aug-2007 (By Champion) v5.1.0 Release

  • [FIX] MinAuto/MaxAuto automatically set to false when Min/Max changed in DateAsOrdinal Scale
  • [FIX] GetRange() for IsBoundedRanges ordinal scales
  • [UPD] Make PointPair cloneable
  • [FIX] DateTimeToXLDate(DateTime) missing milliseconds
  • [FIX] GasGaugeRegion range was implicitly assumed to start at zero. Fixed so it can start at any value.
  • [FIX] GasGaugeNeedle range was implicitly assumed to start at zero. Fixed so it can start at any value.
  • [FIX] PieItem serialization was saving the _slicePath, which is not serializable.
  • [UPD] Split ZedGraphControl into partial classes for smaller files
  • [FIX] Protect Transform() from divide by zero errors
  • [UPD] Fix ScrollDoneEvent and ScrollProgressEvent to include all scroll actions
  • [NEW] Add ScrollEvent to pass-thru horizontal and vertical Scroll events
  • [NEW] Add Legend.IsShowLegendSymbols option (thanks to mfunduc)
  • [UPD] Add speed optimization to LineItem draw by culling duplicate points (thanks to Dale-a-b)
  • [UPD] Add speed optimization to Symbol draw by culling duplicate points (thanks to Dale-a-b)
  • [NEW] Add Line.IsOptimizedDraw to disable optimizations for highly discontinuous datasets

Version 5

16-Jun-2007 (By Champion) v5.0.10 Release

  • [FIX] Symbols not shown on ordinal scales due to optimization
  • [UPD] Fix Spanish locale for print commands (thanks to URE)
  • [FIX] Disable zoom when difference is below a zoom limit resolution
  • [FIX] AxisRangesValid() check for min >= max
  • [FIX] optimizing of points outside chartrect now checks for four quadrants
  • [NEW] Add ForwardSegment and RearwardSegment StepType's
  • [FIX] XDate constructor from DateTime needed to include milliseconds (thanks Jeffrey Crossman)

1-Jun-2007 (By Champion) v5.0.9 release

  • [FIX] Handle null reference in CurveItem comparer for sortedoverlay bars
  • [NEW] Add Chinese Locale (thanks to Daniel Leonard)
  • [NEW] Add starting angle and rotation direction for RadarPointList (thanks to jongalloway)
  • [UPD] Make pick scale try to center flatlined data according to rules
  • [NEW] Add Russian Local (thanks to Alexander Gorbylev)
  • [UPD] Rename GasGuageNeedle class to GasGaugeNeedle, and rename both GasGauge cs files
  • [NEW] Add AxisChangeEvent
  • [UPD] Draw minor and major grid at the same zorder (behind the curves), and add a new ZOrder level
  • [FIX] CalcRect setup problem -- use Scale.Linearize instead of _minLinTemp in any Cross calculations
  • [NEW] Add parameterless AxisChange() that uses default Graphics Hwnd (thanks to Ryan Binns)

3-Apr-2007 (By Champion) V5.0.8 Dev Release

  • [NEW] Add X2 Axis functionality (Cross property still needs some work)
  • [UPD] Update French Locale (thanks to wick95)
  • [FIX] Change WebControl inheritance to regular Control instead of UserControl (thanks Stefan Wiggershaus)

16-Mar-2007 (by Champion) V5.0.7 Release

  • [FIX] Serialization call to base.GetObjectData( info, context ) for derived classes
  • [FIX] Locale issue for 4.5.X (resource name needs to include folder "ZedGraph_v5")
  • [FIX] Border default problem for webcontrol fontspecs
  • [UPD] Add ZedGraphWeb instance as parameter to OnRenderGraph
  • [NEW] Add Turkish locale (thanks to Olcay Seker)

10-Mar-2007 (by Champion) V5.0.6 Release

  • [FIX] Problem with GraphPane.Clone() for null title text
  • [UPD] Place Grid behind curves, leaving Axis & tics in front of curves
  • [UPD] Honor multiline curve labels in legend (per suggestion from Olaf Krumnow
  • [NEW] Added TmpImageDuration logic to web control to handle simultaneous user image files (Pavel Mazac)

26-Feb-2007 (by Champion)

  • [FIX] make datescale handle milliseconds, add DateUnit.Millisecond

18-Feb-2007 (by Champion)

  • [NEW] add PointPairCV class with mapped color value property
  • [FIX] fix chart rect bounding so it doesn't clip lines that cross the chart edge boundary
  • [UPD] make ZedGraphWeb.MakeImageMap() public

17-Feb-2007 (by Champion)

  • [UPD] Change draw order to put curves behind axes

6-Feb-2007 (by Champion)

  • [NEW] Add PointPairBase
  • [FIX] Make ColorValue property virtual/override in PointPair/StockPt
  • [FIX] add Cursor.Default else clause to SetCursor() in ZedGraphControl

29-Jan-2007 (by Champion)

  • [UPD] Make OHLCBar use integers for pixBase for more consistent appearance
  • [FIX] Proper implementation of LineBase in OHLCBar and JapaneseCandleStick
  • [NEW] Add ZedGraphControl.ScrollGrace to manage "grace" for IsAutoScrollRange

20-Jan-2007 (by Champion)

  • [NEW] Add in selection logic to ZedGraphControl based on code from JCarpenter
  • [UPD] Make ZedGraphControl.IsPrintScaleAll public
  • [NEW] Add LineBase class, giving common attributes to Line, LineObj, ArrowObj, and Border classes
  • [NEW] Add GradientByColorValue capacity
  • [FIX] fix tw locale file (thanks to Zak Fong)
  • [NEW] Add ZedGraphControl.SaveFileDialog property to allow user mods to dialog setup
  • [UPD] Rename CandleStick to OHLCBar
  • [UPD] Add Emf format capability to "Save As" context menu (STILL NEEDS WORK)
  • [UPD] Modify RollingPointPairList to improve memory efficiency
  • [UPD] Move order of Chart border draw

4-Jan-2007 (by Champion)

  • [NEW] Added Legend.IsReverse property to reverse order of legend items (thanks blumenstock)
  • [UPD] Get rid of web control border with BORDER=0 tag (thanks blumenstock)
  • [UPD] Add Tag to the url in ImageMap if it is a string type.

28-Dec-2006 (by Champion)

  • [NEW] Add GasGaugeRegion, GasGaugeNeedle classes (thanks Jay Mistry)
  • [UPD] Some speed optimizations in DrawSymbol and DrawCurve
  • [FIX] Fix Pie chart image map calculations
  • [UPD] Make DataSourcePointList handle null input --> PointPair.Missing

12-Dec-2006 (by Champion)

  • [UPD] Make Link.MakeCurveItemURL virtual

25-Nov-2006 (by Champion)

  • [NEW] Add IsClosedFigure property to PolyObj
  • [FIX] Switch back to redrawing the graph after a GetImage() to restore states
  • [FIX] Remove MaxBound & MinBound properties from FilteredPointList

21-Nov-2006 (by Champion) (release 5.0.4)

  • [NEW] Add CreateBarLabels overload that controls more font options
  • [NEW] Add option to color sticks in JapaneseCandleStick for rise vs fall (thanks i4xcoder)
  • [UPD] Many FontSpec's now have set properties, but not allowed to be null (thanks okrumnow)
  • [NEW] Add AlignH property to Scale (thanks to i4xcoder)
  • [NEW] Add DashOn and DashOff properties to Line to support DashStyle.Custom

11-Nov-2006 (by Champion)

  • [NEW] Add ZedGraphControl.IsAntiAlias property as a master override
  • [UPD] Add try/catch pairs around print operations
  • [FIX] Call AxisChange() when mousewheel zoom happens
  • [UPD] Change ZedGraphWeb to a UserControl instead of Control
  • [FIX] Fix CreateBarLabels() to work if there are non-bars present

28-Oct-2006 (by Champion)

  • [FIX] Make PaneBase.GetImage() save Chart.Rect so coords aren't messed up
  • [FIX] Make FontSpec.IsAntiAlias use g.TextRenderingHint = TextRenderingHint.AntiAlias (thanks to floreseken)

23-Oct-2006 (by Champion)

  • [UPD] Add clipping to boxObj's so wild coordinates don't cull them
  • [FIX] don't rely on PointPairList points for PieItem image map

18-Oct-2006 (by Champion)

  • [UPD] add using constructs for most temporary Pen, Brush, GraphicsPath instances
  • [NEW] add hungarian language locale file (thanks to cocinerox)
  • [FIX] use ppd.Show(this) to avoid sending print preview to background (thanks to Alexander Sosedkin)
  • [FIX] use tmpFont.StringAlignment = StringAlignment.Near for legend labels to fix X position

26-Sep-2006 (by Champion)

  • [FIX] don't call Scale.SetRange() until all curves are processed in CurveList.GetRange()

24-Sep-2006 (by Champion)

  • [FIX] draw chart border before axes so it does not cover the axis
  • [UPD] Add zedgraph signing to ZedGraph.Web dll
  • [NEW] Add tw language locale file (thanks to zakfong)
  • [FIX] For stacked lines, don't allow first curve to fill negative values back up to zero line

8-Sep-2006 (by Champion) (version 5.0.2)

  • [FIX] Predefine _clusterScaleWidth=1.0, then calculate it after picking scales to avoid invalid value issues
  • [UPD] Change Scale.Format documentation to reflect usage as Date and Numeric format modes
  • [UPD] Use doubles for location data in GraphObj constructors instead of floats
  • [UPD] Add the missing PieItem.Fill public property

22-Aug-2006 (by Champion)

  • [FIX] Repair index problem in RadarPointList indexer property
  • [UPD] Make Log scales honor step sizes other than 1
  • [UPD] Make GetRange() and ValueHandler (for stacks) honor the IsVisible property for curves

7-Aug-2006 (by Champion)

  • [NEW] Add linear regression to PointPairList (from Brian Chappell)
  • [UPD] Increase max value in CalcNumTics from 500 to 1000

5-Aug-2006 (by Champion)

  • [FIX] fix the minauto/maxauto problem for date scales.
  • [FIX] LinearAsOrdinal and DateAsOrdinal display values for ZedGraphControl
  • [FIX] Change tension value in SplineInterpolateX() to be consistent with GDI+

28-Jul-2006 (by Champion)

  • [UPD] Enable cache for ImageMap=true
  • [UPD] Change prototype of FindNearestPoint to make the overloads non-ambiguous for VB
  • [NEW] Add ZedGraphControl.DoubleClickEvent
  • [UPD] Add DefaultValue attributes for ZedGraphControl properties
  • [NEW] Add Portugese language translation file (thanks to andredav)

21-Jul-2006 (by Champion)

  • [UPD] Move Graph_PrintPage handler to PrintDocument property definition
  • [NEW] Add PointEditEvent
  • [FIX] When Link.Url is blank, don't do any launching and leave out href
  • [NEW] Add Italian translation (thanks to Ivo Muccioli)

13-Jul-2006 (by Champion) (version 5.0.1)

  • [FIX] Fix FilteredPointList to handle wide bound range
  • [FIX] Fix hard-wired majorunit in GetUnitMultiple()
  • [NEW] Add xtext and ytext parameters to Link Url's
  • [FIX] Show Point Values for CandleStick and JapaneseCandleStick items

1-Jul-2006 (by Champion)

  • [FIX] Add Graphics parameter to MasterPane.SetLayout(), and make SetLayout() always call DoLayout().
  • [FIX] BarItem.CreateBarLabels for negative bars
  • [FIX] use minortic color for minor tics (fix contributed by Steve Skillcorn)
  • [FIX] Add case option for wheel zoom, so unzoom context menu item does not disappear
  • [FIX] Fix Pie labels for types that include percent

23-Jun-2006 (by Champion) V5_BRANCH (version 5.0)

  • [FIX] Minor correction to NoDupePointList FilterData() method

22-Jun-2006 (by Champion) V5_BRANCH

  • [FIX] Make sure axischange is called for all axes that are sync'd
  • [FIX] Provide default value for ClusterScaleWidth()
  • [FIX] Default basetic for ordinals is always 1
  • [UPD] Add back in the GraphObjList.Move and CurveList.Move methods (lost with generics)

19-Jun-2006 (by Champion) V5_BRANCH (dev release 4.9.8)

  • [FIX] Compromise solution on RestoreScale with syncro active
  • [FIX] Add tags back in for ContextMenuStrip with generic names

17-Jun-2006 (by Champion) V5_BRANCH

  • [UPD] Add Japanese Language Locale - thanks to Yuichi Yasuda
  • [FIX] Move ScaleFormatEvent to Axis class, stub down to Scale
  • [FIX] Move PaneList.Count check in DoLayout for columns to protect for odd configurations - thanks to Brian Chappell
  • [FIX] CurveItem.cs: public Axis GetYAxis() had Y2 instead of Y
  • [UPD] Move ScaleFormatEventHandler from Scale to Axis, add MakeLabelEventWorks() method
  • [UPD] use "using" statements for short-term IDisposable objects (thanks to Adam Hughes)
  • [FIX] use threaded version of image copy to avoid MTA crash - per Dave Moor

17-May-2006 (by Champion) V5_BRANCH

  • [ADD] NoDupePointList

15-May-2006 (by Champion) V5_BRANCH (dev release v4.9.7)

  • [FIX] Protect Stick plot from GDI+ overflow
  • [ADD] Add ZedGraphControl.IsScrolling
  • [UPD] Remake projects to fix conflict/in-use problem
  • [FIX] Add '#' to map name for image maps
  • [UPD] Use integral widths for JapaneseCandleSticks, CandleSticks, and HiLowBars

14-May-2006 (by Champion) V5_BRANCH

  • [FIX] Make JapaneseCandleSticks always show at lease a line for the bar if open=close
  • [UPD] Add StockPointList.GetAt() method to retrieve the actual StockPt, rather than the PointPair
  • [UPD] make JapaneseCandleStick width a rounded integral value after scaling to avoid artifacts
  • [FIX] Fix the IsMaximumWidth logic for HiLow bars again.
  • [UPD] Add more descriptions to web control
  • [FIX] CalcClusterScaleWidth() needs to use _minLinearized and _maxLinearized

12-May-2006 (by Champion) V5_BRANCH

  • [FIX] FindNearestObject() -- Rect calculations were wrong for Y2 Axis (thanks fugacityepro)
  • [NEW] Add GraphPane.IsAlignGrids to line up number of major steps across Y/Y2 axes
  • [UPD] Add Page Setup and Print translations for German locale (thanks to Sean Goldin)
  • [UPD] Turn off GraphPane.IsBoundedRanges by default
  • [FIX] Get rid of CopyTo() methods for value types in ZedGraphWeb control
  • [UPD] Remove some properties from webcontrol, add MinorTic, MajorTic, Scale to organize
  • [UPD] Add descriptions for many web props
  • [UPD] Fix masterpane margin issues for webcontrol
  • [UPD] AxisChanged = true by default for web control

10-May-2006 (by Champion) V5_BRANCH (dev release 4.9.6)

  • [UPD] Make Location class use doubles to accommodate required precision for date coords
  • [UPD] Modify Matrix transform code for FontSpec to be generic
  • [FIX] Make HiLowBar use size property for width
  • [NEW] Add YAxisList.Add(string) method to create and add a new YAxis (ditto for Y2Axis)
  • [NEW] Add Link constructor
  • [NEW] Add PointD struct for PolyObj point list as doubles

3-May-2006 (by Champion) V5_BRANCH

  • [FIX] Protect from exception if yAxisIndex >= yAxisList.Count
  • [FIX] Fix up Coordinate Transforms for ImageMap
  • [UPD] Make LinkEvent a bool
  • [UPD] Make ZedGraphControl launch browser

3-May-2006 (by Champion) V5_BRANCH

  • [FIX] Web Control - make IsPreventLabelOverlap = true by default
  • [FIX] Web Control - don't call SetupForMinorGridDefaults since it messes up major grid/tics

1-May-2006 (by Champion) V5_BRANCH (dev release 4.9.5)

  • [FIX] Initialize GraphPane._zoomStack in Deserialization

29-Apr-2006 (by Champion) V5_BRANCH

  • [FIX] render line separate from fill for filled curves so that isIgnoreMissing is not implied.

26-Apr-2006 (by Champion) V5_BRANCH

  • [NEW] Add ZedGraphWeb.IsImageMap property
  • [NEW] Add Link Class, and property in GraphObj and CurveItem
  • [NEW] Add Image mapping to ZedGraphWeb
  • [NEW] Add ZedGraphControl.LinkEvent

24-Apr-2006 (by Champion) V5_BRANCH (prelim 4.9.4)

  • [FIX] Fix ValueHandler to return PointPair.Missing if any part of stack is missing
  • [FIX] Fix CurveList.GetStackRange() to ignore missing values
  • [FIX] Fix Line.BuildPointsArray and Line.BuildLowPointsArray to skip missing

23-Apr-2006 (by Champion) V5_BRANCH

  • [NEW] Add CreateBarLabels as a static function in BarItem
  • [FIX] Fix MinorGrid.PenWidth property self-reference
  • [UPD] Add ReSize() call to web control to handle layouts

21-Apr-2006 (by Champion) V5_BRANCH (prelim release 4.9.3)

  • [FIX] internal usage of public properties (Scale.MinorStep, etc.) caused Auto mode to switch off
  • [UPD] Add try/catch pair around the ZedGraphControl.OnPaint() method call to Draw()
  • [UPD] If CurveItem.IsOverrideOrdinal=true, then use data values instead of ordinal count
  • [FIX] Hittest for point values when lines or bars are stacked

18-Apr-2006 (by Champion) V5_BRANCH (prelim release 4.9.2)

  • [FIX] Fix point in polyObj test
  • [FIX] Fix interpolate logic for line items (when zoomed way in)

15-Apr-2006 (by Champion) V5_BRANCH

  • [NEW] Add GapLabel class that includes a Gap for the Axis.Title and PaneBase.Title
  • [NEW] Add Axis.LabelGap property
  • [NEW] Add Legend.Gap property

13-Apr-2006 (by Champion) V5_BRANCH

  • [UPD] Work in logic for undo states with Synchronized Axes
  • [UPD] Break out ZoomStates classes to separate files

11-Apr-2006 (by Softlion) V5_BRANCH

  • [UPD] Major update to Web control to integrate with V5 class library changes
  • [UPD] Split out web control to ZedGraph.Web namespace : ???

10-Apr-2006 (by Champion) V5_BRANCH

  • [NEW] Add Fill.SecondaryValueGradientColor to allow gradient results from gradient-by-value fills
  • [UPD] Fill background of legend for LineItems with the LineItem.Line.Fill color
  • [NEW] Add ZedGraphControl.IsSynchronizeXAxes, IsSynchronizeYAxes for multi-pane scroll/pan/zoom

6-Apr-2006 (by Champion) V5_BRANCH

  • [NEW] Add RollingPointPairList (by Colin Green)
  • [UPD] Make pan/zoom/etc used linearized axis equivalents so non-linear scales work consistently

31-Mar-2006 (by Champion) V5_BRANCH

  • [UPD] Major code refactoring to prepare for version 5
  • [UPD] Change all to .Net 2.0
  • [UPD] Rename All GraphItem-derived objects to GraphObj's (ArrowObj, ImageObj, etc.)
  • [NEW] Add Chart object to replace AxisRect
  • [NEW] Add MinorTic & MajorTic objects
  • [NEW] Add MinorGrid & MajorGrid objects
  • [UPD] Change MasterPane.AutoPaneLayout to SetLayout() -- re-layout done automatically at resize time
  • [NEW] Add GraphPane.BarSettings
  • [UPD] Change PaneBase.Image to PaneBase.GetImage, ScaleImage to GetImage also
  • [NEW] Add CandleStickItem and JapaneseCandleStickItem
  • [NEW] Add StockPt and StockPointList
  • [NEW] Change all collections to generics
  • [FIX] Fix owner reference for Scale and BarSettings class, ICloneable no longer supported
  • [NEW] Add MasterPane.IsCommonScaleFactor
  • [NEW] Add BarSettings.ClusterScaleWidthAuto
  • [FIX] Fix MouseEvents by hiding parent control MouseUp, MouseDown, MouseMove
  • [NEW] Change menu to contextMenuStrip
  • [NEW] Add IsAntiAlias switch to FontSpec, Symbol, and Line classes
  • [NEW] Add Label and AxisLabel classes -> GraphPane.Title, Axis.Title
  • [UPD] Update FilteredPointList to handle high-low logic
  • [NEW] Add Margin object
  • [NEW] Add ScrollFinishedEvent to ZedGraphControl
  • [NEW] Add LineObj (arrowless line segment)
  • [FIX] CloseFigure on PolyObj
  • [NEW] Add DataSourcePointList with data binding
  • [NEW] Add designer attributes for ZedGraphControl

Version 4.5

10-Mar-2007 (by Champion) v4.5.6

  • [UPD] This version is a .net 1.1 mirror of v 5.0.6
  • [UPD] The files are identical, except for the collection classes

18-Feb-2007 (by Champion) v4.5.2

  • [UPD] Copy over mods from V5.0.5
  • [NEW] Add PointPairBase
  • [FIX] Make ColorValue property virtual/override in PointPair/StockPt
  • [FIX] add Cursor.Default else clause to SetCursor() in ZedGraphControl
  • [UPD] Make OHLCBar use integers for pixBase for more consistent appearance
  • [FIX] Proper implementation of LineBase in OHLCBar and JapaneseCandleStick
  • [NEW] Add ZedGraphControl.ScrollGrace to manage "grace" for IsAutoScrollRange
  • [NEW] Add in selection logic to ZedGraphControl based on code from JCarpenter
  • [UPD] Make ZedGraphControl.IsPrintScaleAll public
  • [NEW] Add LineBase class, giving common attributes to Line, LineObj, ArrowObj, and Border classes
  • [NEW] Add GradientByColorValue capacity
  • [FIX] fix tw locale file (thanks to Zak Fong)
  • [NEW] Add ZedGraphControl.SaveFileDialog property to allow user mods to dialog setup
  • [UPD] Rename CandleStick to OHLCBar
  • [UPD] Add Emf format capability to "Save As" context menu (STILL NEEDS WORK)
  • [UPD] Modify RollingPointPairList to improve memory efficiency
  • [UPD] Move order of Chart border draw
  • [NEW] Added Legend.IsReverse property to reverse order of legend items (thanks blumenstock)
  • [UPD] Get rid of web control border with BORDER=0 tag (thanks blumenstock)
  • [UPD] Add Tag to the url in ImageMap if it is a string type.
  • [NEW] Add GasGaugeRegion, GasGaugeNeedle classes (thanks Jay Mistry)
  • [UPD] Some speed optimizations in DrawSymbol and DrawCurve
  • [FIX] Fix Pie chart image map calculations
  • [UPD] Make DataSourcePointList handle null input --> PointPair.Missing
  • [UPD] Make Link.MakeCurveItemURL virtual
  • [NEW] Add IsClosedFigure property to PolyObj
  • [FIX] Switch back to redrawing the graph after a GetImage() to restore states
  • [FIX] Remove MaxBound & MinBound properties from FilteredPointList
  • [UPD] Move order of Chart border draw

19-Jan-2007 (by Champion) release version 4.5.1

  • [UPD] Add in Web Control

28-Dec-2006 (by Champion) release version 4.5.0

  • [UPD] Major Update! Backported version 5.0.4 to .Net 1.1
  •   Limitation: No ZedGraphControl.ScrollDoneEvent

  •   Limitation: No Web Control

Version 4.3

1-May-2006 (by Champion)

  • [FIX] Initialize GraphPane._zoomStack in Deserialization

25-Apr-2006 (by Champion) Release version 4.3.6

  • [FIX] Fix ValueHandler to return PointPair.Missing if any part of stack is missing
  • [FIX] Fix CurveList.GetStackRange() to ignore missing values
  • [FIX] Fix Line.BuildPointsArray and Line.BuildLowPointsArray to skip missing

21-Apr-2006 (by Champion) Release version 4.3.5

  • [FIX] references to public properties from internal calcs caused auto modes to switch off
  • [FIX] CloseFigure on PolyItem
  • [FIX] PointInBox calcs for PolyItem
  • [UPD] add try/catch pair around ZedGraphControl OnPaint() call to Draw()
  • [FIX] Fix interpolate logic for line items (when zoomed way in)

31-Mar-2006 (by Champion)

  • [UPD] Release Version 4.3.4

25-Mar-2006 (by Champion)

  • [FIX] Millisecond issue with DateTime
  • [FIX] Check for sub-zero index on LinearAsOrdinal and DateAsOrdinal MakeLabel()
  • [NEW] Add CommonScaleFactor to MasterPane

25-Mar-2006 (by Champion)

  • [FIX] Millisecond issue with DateTime
  • [FIX] Check for sub-zero index on LinearAsOrdinal and DateAsOrdinal MakeLabel()
  • [NEW] Add CommonScaleFactor to MasterPane

17-Mar-2006 (by Champion)

  • [UPD] Release Version 4.3.3

16-Mar-2006 (by Champion)

  • [NEW] SamplePointList and RadarPointList IPointList types
  • [UPD] Make IPointListEdit have a set method for the indexer
  • [UPD] Hide the ZedGraphControl MouseMove, MouseUp, MouseDown events to avoid confusion
  • [UPD] Use only one delegate for Mouse events
  • [NEW] Add Axis.IsSkipCrossLabel and Axis.IsTitleAtCross
  • [NEW] Add ReverseTransform overload that selects a single Y axis

14-Mar-2006 (by Champion)

  • [FIX] use IsAnyOrdinal in Axis.GetClusterWidth() for ClusterScaleWidth value

13-Mar-2006 (Release Version 4.3.2) (by Champion)

  • [UPD] Upload release version

9-Mar-2006 (by Champion) :[NEW] Add default PaneLayout.SquareColPreferred overload to AutoPaneLayout :[UPD] Resize original pane in panebase.scaledimage to correctly handle masterpanes

8-Mar-2006 (Dev version 4.3.1) (by Champion) :[UPD] Add proportion term to MasterPane.AutoPaneLayout to allow variable widths/heights :[FIX] Fix millisecond treatment in XDate to avoid DateTime exception throwing

6-Mar-2006 (by Champion) :[UPD] Add menuitem stringID strings to tags for consistent ID -- NOTE: ONLY WORKS W/2005 -- Add in later :[UPD] Experiment with interpolation for points way out of bounds :[FIX] Fix problem with ScaleMagAuto using tiny min value in preference to max value

3-Mar-2006 (Release Version 4.3) (by Champion) :[FIX] Fix IsBoundedRange implementation :[FIX] Place Axis.CrossAuto copy after Axis.Cross copy in ZedGraphWebData to avoid auto-set to false

18-Feb-2006 (by Champion) :[FIX] Protect minorgrid from dash=0 in Axis.cs :[FIX] problem with copy constructor on textlabels :[NEW] Add ZedGraphControl.IsShowCopyMessage

13-Feb-2006 (by Champion) :[FIX] Add Scale.Clone to Axis.Clone :[UPD] Make Scale and Axis class abstract cloneable, add typesafe Clone() methods

11-Feb-2006 (by Champion) :[NEW] Add ScaleLabelEvent for Scale label formatting

8-Feb-2006 (by Champion) :[FIX] Fix serialization code to handle Scale & Axis properly :[FIX] Make serialization always output a PointPairList, no matter what type IPointList it had

7-Feb-2006 (by Champion) :[UPD] Add bounds checking for Min/Max on Date Scales :[UPD] Add bounds checking for XDate.ToString() :[UPD] MouseWheel actions now trigger a ZoomEvent :[NEW] Add Print and PageSetup options to ZedGraphControl

2-Feb-2006 (by Champion) :[FIX] ErrorBar was not honoring ordinal type axes :[NEW] Add IPointListEdit interface, and enable the CurveItem.AddPoint(), RemovePoint(), and Clear().

24-Jan-2006 (by Champion) :[FIX] Turn on double buffer for control (inadvertantly disabled) :[NEW] Add ScrollEvent, and Add ZoomStates for scrolls :[UPD] Change MouseEventHandler delegates to pass ZedGraphControl type instead of object :[FIX] Handle bar low value for log scales properly (use Min instead of zero in ValueHandler) :[FIX] Bound zoom rect to AxisRect

12-Jan-2006 (by Champion) :[NEW] Add ZedGraphControl.ZoomPane()

7-Jan-2006 (by Champion) :[UPD] Exclude points from GetRange() that are <= 0 for log scales :[FIX] Make Fill.IsVisible retain original FillType when set to true

26-Dec-2005 (by Champion) :[UPD] Add Scale class and one subtype for each AxisType :[FIX] CalcNumTics was whacked for MajorUnit of Hours, Minutes, or Seconds :[UPD] Improve XDate to work with fractional seconds and/or milliseconds

21-Dec-2005 (by Champion) :[FIX] panebase draws fill even if PaneFill.IsVisible is false -- fixed :[UPD] Avoid overlap by checking actual spacing (particular useful for Exponential scales) :[UPD] Make scale labels apply scaleMult for Exponential scales

20-Dec-2005 (by Champion) :[FIX] ZedGraphControl.cs IsEnableVZoom/IsEnableHZoom properties referenced themselves, causing stack overflow :[NEW] Add MouseUpEvent, MouseMoveEvent and change MouseDownEvent to just use (object sender, MouseEventArgs) :[UPD] Add lots of paranoid tests in ZedGraphControl.cs to avoid null object references :[NEW] Add code from jackply to add exponential axis option

15-Dec-2005 (by Champion) :[NEW] Add TimeSpan options to XDate.ToString()

11-Dec-2005 (by Champion) :[NEW] Add Fill.RangeDefault

8-Dec-2005 (by Champion) :[FIX] Make cross logic work properly for isScaleLabels inside on secondary axes :[NEW] Add AxisGap property to control space between secondary axes

7-Dec-2005 (by Champion) :[FIX] Make stack bar & stack line work with non-ordinal axes

29-Nov-2005 (by Champion) :[NEW] Add IsEnableVZoom and IsEnableHZoom to constrain zoom in ZedGraphControl :[NEW] Add implicit float cast in XDate

24-Nov-2005 (by softlion, concern the webcontrol only) :[FIX] major bug, positioning of graph items was not working at all. Action: removed X1 and Y1 (redundant, described as alias of X and Y). Their 0 value were overriding the original X and Y values. :[UPD] Renamed AxisFill to GraphFill, AxisBorder to GraphBorder, AxisRect to GraphRect so axis and graph space becomes two correctly separated things. :[NEW] MasterPaneFill and MasterPaneBorder properties :[NEW] Transparency is shown as squares in the designer. :[REM] PNG transparency is supported in FireFox. To get it also in IE6 or less, you must use the IE7 javascript http://dean.edwards.name/IE7/ like this: : <script> : window.IE7_PNG_SUFFIX = "\.png(?:\?.*?)"; : </script> : <script src="ie7/ie7-standard-p.js" type="text/javascript"></script>

23-Nov-2005 (by Champion) :[FIX] Ten Power placement for scale labels :[FIX] ShowPointValues with Text Axes and IsOverrideOrdinal :[FIX] Center data when range is zero for PickScale() :[FIX] remake font based on actual prior font size instead of persistent field :[FIX] modify XDate docs to explain Excel date bug :[NEW] add SampleMultiPointList class to illustrate IPointList usage :[NEW] demo pane with four y axes :[NEW] StickItemDemo, several Bars with Labels demos

22-Nov-2005 (by Champion) :[FIX] minor fix for cross axes with IsScaleLabelsInside

22-Nov-2005 (by softlion) :[UPD] Updated Web sample in C# to work with new RenderMode option :[FIX] Minor bug fix introduced in 21-nov-2005 version :[FIX] Workaround for .NET File.GetCreationTime method's bug.

21-Nov-2005 (by softlion) :[FIX] Caching with new rendering mode was not working as expected. :[NEW] The generated image tag has now a querystring to defeat browser caching mechanism when an update is needed. :[NEW] ColorOpacity property in "Fill" structures. We should created a new Color selector designer with the ability to set the color alpha channel instead, but this is a quick start. :[NEW] Added and updated some comments

19-Nov-2005 (by softlion)

  • Major changes to the web interface:
  • DataSource property works. Optional DataSource are also available on each curve, by default it uses the main DataSource. DataMember property is available as a main property for the base axis (x axis) and as a property on each curve (y axis).
  • New RenderMode property to render as an IMG tag instead of generating and returning an image on the fly. A temporary image file is created and saved in the folder specified by the new RenderedImagePath property. The file name is the control ID (may change in a near future).
  • Comments uptdated and added on properties
  • Property categories change for readability (ASP.NET pages made with previous version will need to upgrade)
  • Major and minor grid properties for all axis are now grouped into a child item
  • minor bug fix: image generated on the fly also sends HTML IMG tag

6-Nov-2005 (by Champion)

  • Make ScrollBar SmallChange proportional to LargeChange (thanks to tafkat)

4-Nov-2005 (by Champion)

  • Fix Thumb size for scrollbars
  • Add Deutsch translation for "Image copied to clipboard" phrase
  • Add protection against manually set axis limits that exclude all data

31-Oct-2005 (by Champion)

  • Add Swedish Translation, fix Spanish translation, add "Image copied to clipboard" to localization
  • Split out context menu actions into public methods

7-Oct-2005 (by Champion)

  • Fix LinearAsOrdinal and DateAsOrdinal off-by-one error and use blank label for out of range condition
  • Add GraphPane.IsZoomed Property
  • Add LegendPos.TopFlushLeft and BottomFlushLeft

25-Sep-2005 (by Champion)

  • Fix crash when drawing pie charts that get too small (AxisRect dimensions less than zero)
  • Fix DateAsOrdinal & LinearAsOrdinal indexing problem
  • Fix Mouse double click problem in ZedGraphControl

22-Sep-2005 (by Champion)

  • Add support for multiple Y and Y2 axes (major mods throughout)
  • Add Axis.IsAllTics property
  • Fix FindNearestPoint bug for text type axes
  • Add ZedGraphControl.IsShowCursorValues

Version 4.2

9-Sep-2005 (by Champion) v4.2.3

  • Fix issue with CalcDateStepSize() for max label calcs where the step number is only a target, not a max

4-Sep-2005 (by Champion) v4.2.2

  • Fix problem with copy constructor on HiLowBar.cs, HiLowBarItem.cs, MasterPane.cs

26-Aug-2005 (by Champion)

  • Add HSBColor struct
  • Add French (thanks to Fred Thomas) localization file
  • Add Deutsch and Spanish (thanks to codemeier) localization files

22-Aug-2005 (by Champion)

  • Add Localization to ZedGraphControl
  • Fix ContextMenu mouse location issue

21-Aug-2005 (by Champion)

  • remove set requirement from IPointList
  • Add ZedGraphControl.IsAutoScrollRange and SetScrollRangeFromData()

19-Aug-2005 (by Champion)

  • Fix Pie.SlicePath access in FindNearestPoint
  • Fix y position calc for axis title when IsScaleVisible=false

18-Aug-2005 (by Champion)

  • Add new AxisType's LinearAsOrdinal and DateAsOrdinal

17-Aug-2005 (by Champion)

  • Add new CoordTypes to allow mixed coordinate systems.
  • Move Transform for the Coord system up to the PaneBase so there is only a single function

13-Aug-2005 (by Champion)

  • Disable the ZedGraphControl.PanModifierKeys due to a bug in VS2003 causing compiler error

11-Aug-2005 (by Champion)

  • Fix rotated scale spacing logic to allow lapping at angles

10-Aug-2005 (by Champion)

  • Add IPointList interface
  • Remove ErrorBarItem.BarBase and HiLowBarItem.BarBase -- use GraphPane.BarBase instead
  • Add BasicArrayPointList

8-Aug-2005 (by Champion)

  • Add strong name key to assembly

2-Aug-2005 (by Champion) v 4.2

  • Fix roundoff problem on scrollbars
  • Fix Auto flags in ZedGraphWeb
  • Fix the web demos to work properly

21-Jul-2005 (by Champion)

  • Add PolyItem
  • Add ArrowItem.Style
  • Add CurveItem.FontSpec
  • Make LineItem.Symbol & LineItem.Line modifiable
  • Add StickItem
  • Don't clone the PointPairList on AddCurve()
  • Add DropShadow to FontSpec

19-Jul-2005 (by Champion)

  • Add IsCrossTic, IsInsideCrossTic, IsMinorCrossTic, IsMinorInsideCrossTic

15-Jul-2005 (by Champion)

  • Add PointPairList.Insert overloads

Version 4.1

14-Jul-2005 (by Champion) v4.1.8beta

  • Add Axis.IsScaleLabelsInside
  • Add Axis.IsSkipFirstLabel
  • Add Axis.IsSkipLastLabel
  • Add ZedGraphControl.ScrollMinY2, ScrollMaxY2, IsScrollY2
  • Revamp Axis.Cross logic, GraphPane.CalcAxisRect, and Axis.CalcSpace

6-Jul-2005 (by Champion) v4.1.7

  • Add Axis.IsAxisSegmentVisible
  • Fix axis space code to not have space when tics false, scalevisible false, etc.

5-Jul-2005 (by Champion) v4.1.6

  • Fix GraphicsPath bug (using StartFigure) for X-Cross, Plus, and Star Symbols
  • Initialize MasterPane in ZedGraphControl to IsShowTitle = false

26-Jun-2005 (by Champion)

  • Fix bug to Remake fonts when family, italic, bold, or underline changes
  • Show MinorInsideTics, MinorOutsideTics, and MinorGrids even if MinorTics are not shown

6-Jun-2005 (by Champion) v4.1.5

  • Add GraphItem.IsClippedToAxisRect
  • Fix isShowTitle problem (was not being initialized at all)

4-Jun-2005 (by Champion)

  • Fix BarCenterValue() to properly handle ErrorBars and HiLowBars

3-Jun-2005 (by Champion) v4.1.4

  • Add PointValueEvent

29-Apr-2005 (by Champion) v4.1.3

  • Fix IsShowTitle so it does not get set to false if title is blank

19-Apr-2005 (by Champion) v4.1.2

  • Add BarType.ClusterHiLow
  • Add Curve.IsOverrideOrdinal
  • Fix bug with LegendPos.BottomCenter
  • Fix bug that allows crash if gridDash on/off is zero

16-Apr-2005 (by Champion) v4.1.1

  • Fix FindNearestPoint() for Y2Axis curves
  • Fix FindNearestPoint() for bars that extend beyond axis range

15-Apr-2005 (by Champion) v4.1.0 : Add scrollbars to ZedGraphControl (IsShowHScrollBar, IsShowVScrollBar) : ScrollMinX & ScrollMaxX control the X bounds : ScrollMinY & ScrollMaxY control the Y bounds : Use ScaleFormat for numeric labels and dates. : Remove NumDec and NumDecAuto : Subscription event for zoom/pan notification (see ZoomEvent)

Version 4.0

19-Apr-2005 (by Champion) v4.0.8

  • Fix roundoff bug for bar width (when scale has large values like dates)
  • Add PointPairList.Equals & PointPair.Equals
  • Add AddCurve methods with lineWidth
  • Make ToolTips disappear if mouse moves away from point
  • Don't show tooltips for invisible curves
  • Add Axis.IsScaleVisible

18-Apr-2005 (by Champion) v4.0.7

  • Fix context menu event for null case
  • Fix CurveItem.IsLegendLabelVisible

16-Apr-2005 (by Champion) v4.0.6

  • Fix panning for log scales
  • Add wheel mouse zoom
  • Add Context Menu event/delegate

15-Apr-2005 (by Champion) v4.0.5

  • Fix XDate roundoff bug

11-Apr-2005 (by Martz)

  • Fix missing min/max properties on Axis proxy

02-Apr-2005 (by Martz)

  • Added multiple pane support to web control

29-Mar-2005 (by Champion) v4.0.4

  • Fix zeroline for filled curves
  • Add SetX(), SetY(), SetZ() methods to PointPairList

25-Mar-2005 (by Champion) v4.0.3

  • Fix Gradient by Value for Bars

21-Mar-2005 (by Champion) v4.0.2

  • Fix IsFontsScaled

20-Mar-2005 (by Champion) v4.0.1

  • Add protection on CalcNumTics -- no more than 500 tics
  • AxisChange() -- Always call pickscale before CalcAxisRect() to make sure scales are reasonable

;## 9-Mar-2005 RELEASE VERSION 4.0

17-Mar-2005 (by Champion)

  • Added Save As... to context menu
  • Fix up Web Demos

17-Mar-2005 (by Martz)

  • Add ZedGraphWebPointPairCollection

15-Mar-2005 (by Champion)

  • Fixed a bug that caused missing tics at the beginning of the axis for date type axes

15-Mar-2005 (by Martz)

  • Added C# and VB web demo for visual designed graphs
  • Added C# and VB web demo for multi-graph per webform

10-Mar-2005 (by Champion)

  • Added horizontal stacked bar demo
  • Fix bug in CurveList.GetStackRange() (failed to account for BarBase)
  • Added GraphPane.IsBoundedRanges & modifed GetRange() cascade to include bounds

7-Mar-2005 (by Champion)

  • Add comments to demo code, more cleanup

7-March-2005 (by Vos)

  • Updated the demo tab forms and some minor updates to the other demo code (commenting and such)

4-Mar-2005 (by Champion)

  • Update Demos
  • Change BarValueHandler to ValueHandler

28-Feb-2005 (by Champion)

  • Fix ColorSymbolRotator to use symbolCount. Add more symbols & colors
  • Add gradient color overload for GraphPane.AddPieSlice
  • Revert demo project back to remove the property control

23-Feb-2005 (by Champion)

  • Add Axis.BaseTic property
  • Add ZedGraph.LibTest project to have a class library based general testing platform

22-Feb-2005 (by Champion)

  • Add ZoomState stack for maintaining history of zoom and pan states in UserControl

19-Feb-2005 (by Champion)

  • Make Axis label shift along with axis for non-default Cross value
  • Make bounding axis label visible if pane.AxisBorder.IsVisible = false
  • Add Pan/Zoom/Copy/ShowValues/AutoScale options in new context menu for ZedGraphControl

14-Feb-2005 (by Martz)

  • Fix subitem persistance bug
  • Add designtime graph display
  • Add remaining proxy class members

12-Feb-2005 (by Martz)

  • Fix control parsing error
  • Add full support for graphpane and a variety of additional objects
  • Move proxy/object mapping to individual objects
  • Add support for static default values where possible
  • Add graphitem partial support
  • Add initial support for DataBinding

9-Feb-2005 (Champion)

  • Make ZGControl tooltips display text for AxisType.Text
  • Push Legend functionality up to PaneBase so MasterPane has a legend
  • Add Axis.Cross to allow axes at non-default locations

21-Jan-2005 (by Champion)

  • Replace GraphPaneList with MasterPane
  • Add PaneList as GraphPane collection class
  • Add PaneBase as parent of MasterPane and GraphPane

18-Jan-2005 (by Champion)

  • Add GraphPaneList
  • Use Tag.Clone() when ICloneable available
  • Fix GraphItemList copy constructor
  • Fix PieItem copy constructor
  • Add Tag to GraphPane

17-Jan-2005 (by Champion)

  • Add ZedGraphControl.PointDateFormat
  • Move Axis visibility setup for pies to AxisChange()
  • Move pie rect calcs out to static PieItem.CalcRect()
  • Fix LegendPos.TopCenter problem (missing switch)
  • Add Pie Serialization
  • Fix Z-Order treatment of GraphItems in FindNearestObject

17-Jan-2005 (by Kaye)

  • Fix up PieItem; Remove PieSlice

Version 3.5

15-Jan-2005 (by Champion) v3.5.3

  • Fix GraphItem Copy Constructor
  • Fix +1 pixel error on ZedGraphControl bitmap
  • Fix StringAlignment bug for FontSpec
  • Fix maxlabels bug
  • Fix ordinal transform bug for lines/symbols

8-Jan-2005 (by Champion)

  • Fix CurveList.GetRange bug for stacked curves
  • Some code cleanup
  • Add SplineInterpolateX to PointPairList

7-Jan-2005 (by Martz)

  • Add expanded interface for Web Chart

5-Jan-2005 (by Champion)

  • Add Line Stacking via GraphPane.LineType
  • Add Serialization - Implement ISerializable
  • Fix StringAlignment bug for FontSpec
  • Add Interpolation methods to PointPairList
  • Fix maxlabels bug for text axes

10-Dec-2004 (by Champion)

  • Add Z-Order control to GraphItems
  • Add CollectionPlus base class with Move(), etc. methods
  • Change ErrorBar ends to Symbols
  • Add SymbolType.HDash and SymbolType.VDash

8-Dec-2004 (by Champion)

  • Add FindNearest unit tests
  • Fix extreme outlier overflow problem for symbols

8-Dec-2004 (by Kaye)

  • Add Unit Tests

7-Dec-2004 (by Champion)

  • Add overloaded constructors to PointPair for Tag labels
  • Add ToolTip capability to ZedGraphControl to show point values
  • Make ZedGraphControl.Image have bitmap 1 pixel wider & taller

3-Dec-2004 (by Champion)

  • Add BoxItem, EllipseItem types
  • Add BarValueHandler to handle stacking calcs
  • Add ZedGraphWeb asp control stuff
  • Fix FindNearestPoint

17-Nov-2004 (by Champion)

  • Add ImageItem

16-Nov-2004 (by Champion)

  • Convert ArrowItem & TextItem to children of GraphItem
  • Delete TextList & ArrowList, make new GraphItemList

16-Nov-2004 (by Champion)

  • Add ErrorBar (I-beam) graph type
  • Convert HiLowBar type to a separate HiLowBarItem class
  • Fix Hatch and PathGradient brush problem

9-Nov-2004 (by Champion)

  • Add FillType.GradientByX, Y, Z
  • Fix & Consolidate DrawSingleBar() code
  • Add UserControl transparency
  • Add new Fill constructors for ColorBlend, color array, etc.

5-Nov-2004 (by Champion)

  • Add BaseVal to PointPair
  • Remove PointTrio and PointTrioList entirely
  • Add BarType.SortedOverlay
  • Add DrawSingleBar code

2-Nov-2004 (by Champion)

  • Fix scaling logic throughout - all sizes now in points
  • Fix CalcScaleFactor so scale factor is world pixels/standard point
  • Legend Height calculation now accounts for big symbols
  • Correct Axis border so it is drawn with floats instead of ints (avoids misalignment)
  • Add GraphPane.IsPenWidthScaled
  • Add scaling to pen widths throughout
  • Fix Fill.IsScaled (missing from copy constructor)
  • Fix missing scale factor on tic spacing for axis text
  • Add GraphPane.ScaledImage()

31-Oct-2004 (by Champion)

  • Fix Image ScaleTransform bug
  • Fix another reference problem in BuildPointsArray()

30-Oct-2004 (by Champion)

  • Fix array ref problem when index=0 in BuildPointsArray()
  • CVS was wacky, corrected a few files

29-Oct-2004 (by Kaye)

  • Add BarType.Stack

28-Oct-2004 (by Champion)

  • Add BarType.HiLow
  • Add DateTime constructor to XDate
  • PointTrioList is child of PointPairList

22-Oct-2004 (by Champion)

  • Add PointTrio + PointTrioList
  • Add Sum() to PointPairList

14-Oct-2004 (by Champion)

  • Add Location class
  • Add Legend Float mode
  • Add Expanded Collection object functions Remove(object), IndexOf(object), Insert()

13-Oct-2004 (by Champion)

  • Change Frame class to Border
  • Add CurveList.Remove( curve )
  • Add TextItem( string, float, float, CoordType )

12-Oct-2004 (by Champion)

  • Make CurveItem an abstract base class & add BarItem & LineItem
  • Fix BaseDPI problem, get rid of the BaseDPI property
  • Speed up Symbol draws using GraphicsPath & transform scaling
  • Add Frame and Fill Classes
  • Add DrawLegendKey() to BarItem & LineItem

7-Oct-2004 (by Champion)

  • Add MinorGrids
  • IsZeroLine defaults to false for X axis
  • GetRange widens range by ClusterScaleWidth/2 for non-ordinal bars

1-Oct-2004 (by Champion)

  • FindNearestObject works for TextItems and ArrowItems
  • Add SymbolType.Default and SymbolType.None

30-Sep-2004 (by Champion) : Add CurveItem.IsVisible and CurveItem.IsLegendLabelVisible logic : Fix the zero axis range bug

29-Sep-2004 (by Champion) : Add FindNearestObject() method to GraphPane (still working on TextItem & ArrowItem)

24-Sep-2004 (by Champion) : Add StringAlignment property to FontSpec

23-Sep-2004 (by Champion)

  • Add AlignP type, and Axis.ScaleAlign property

22-Sep-2004 (by Champion)

  • Eliminate legend entries for curves with blank labels

Version 3.0

21-Sep-2004 (by Champion) v3.0

  • Release 3.0
  • Fix grid so it's behind the bar/line fills

18-Sep-2004 (by Champion)

  • More Constructors for Fill class, gradients/texture fills
  • Add Fill.IsScaled and Fill.AlignH/V

15-Sep-2004 (by Champion/Vos)

  • Fix roundoff problem that caused the last scale label to occasionally disappear
  • Add SetMinSpaceBuffer() to GraphPane and Axis
  • Add a check in MakeBrush() to make sure the rect width and height are at least 1.0

14-Sep-2004 (by Champion)

  • Add gradient fills to symbol type
  • Symbol Frame can now have different color than fill
  • Fix problem with smoothed curve and fill
  • Draw Axes after curves so curve fill doesn't cover up axis line
  • Add Axis.MinSpace property

13-Sep-2004 (by Champion/Vos)

  • Fix problem with brushes scaled to zero width rect
  • Fix scale label width calc bug in CalcMaxLabels()
  • Add Brush.Dispose() calls after MakeBrush()

12-Sep-2004 (by Champion)

  • Add new Fill class to handle gradient fills
  • Add "Area under curve" shading
  • Add gradient Fill class to paneRect, axisRect, legend, bar, line

11-Sep-2004 (by Champion)

  • Fix space allocation for rotated Axis Labels
  • Add gradient fills for bars

Version 2.0

1-Sep-2004 (by Champion) v2.0

  • Fix grace so that it won't extend across negative/positive boundary
  • Finish up #region's

31-Aug-2004 (by Champion)

  • Added Curve Smoothing (Line.IsSmooth, Line.SmoothTension)
  • Added PointPair.IsInvalid
  • Added PointPair implicit cast to PointF

31-Aug-2004 (by Vos)

  • Cleaned up some of the files, making the #region'ing more consistent (some files still need to be done)

30-Aug-2004 (by Champion)

  • Fix single point plotting (bug in validity checking code)
  • Fix calls to Transform() so that Transform(i,x) is only called for bar charts
  • Fix XML Comments to get rid of error messages
  • Change the AddPoints() methods of PointPairList to overloaded Add()
  • Add a couple unit tests

30-Aug-2004 (by Vos)

  • Added locking to the ZedGraphControl to make it thread safe
  • Added a .AxisChange() method to the ZedGraphControl (it creates a new Graphics object every time it is called)
  • Added a ZedGraphException class
  • ZGC.Image now throws a ZedGraphException if the control has been disposed
  • Added a ZGC.BeenDisposed property, which checks if the GraphPane is null. This probably should have a separate field in the ZGC called beenDisposed, but for now it doesn't.
  • Projects now reference the main ZedGraph by using project references instead of direct .dll references

27-Aug-2004 (by Champion)

  • Add MinGrace and MaxGrace
  • Fix up overlapping labels with double PickScale() call

26-Aug-2004 (by Champion)

  • Fix problem with zero/negative values on Y Log scale
  • Add long unittest
  • clean up unit test code to three fixtures

25-Aug-2004 (by Champion)

  • Make constructors handle null values better
  • Integrate multiple constructors so default usage is cleaner
  • Move Default struct into each class (get rid of Def.cs)
  • extensive additions to unittest

23-Aug-2004 (by Champion)

  • Fix NaN handling so it doesn't cause exceptions

18-Aug-2004 (by Vos)

  • Add Image property
  • Add ColorSymbolRotator

17-Aug-2004 (by Champion)

  • Fix overlapping labels logic for X vs Y axes
  • Fix scaleFormat in copy constuctor
  • Add Point indexer to CurveItem
  • Fix problem with recursive loop for text label calcs

25-Jul-2004 (by Champion)

  • Add XTargetSteps, YTargetSteps
  • New Format for 10 power log scale labels
  • Fixed drawing of log scales
  • Improved logic for scale picking
  • Add logic to reduce text labels if they are overlapping
  • Added IsIgnoreMissing
  • Added IsFontsScaled
  • Fixed FindNearestPoint() for bars

16-Jul-2004 (by Vos)

  • Add PointPair, PointPairList storage for data points

15-Jul-2004

  • Add Author/Revision XML tags

14-Jul-2004

  • Added LGPL

Version 1

13-Jul-2004 (Release 1.5)

  • Added AxisType.Ordinal
  • Added Def.Ax.MaxTextLabels and made Text labels honor the Axis.Step setting
  • Added GraphPane.IsFontsScaled
  • Added GraphPane.BaseDPI for proper printer scaling
  • Fixed broken logarithmic scales
  • Fixed roundoff problems that caused minor cosmetic annoyances
  • Fixed bad rendering of Y2 axis grid and tics
  • Fixed zeroline flag
  • Bars now work properly with XAxis.IsReverse and FindNearestPoint()
  • Fixed other minor bugs

10-Jun-2004 (Release 1.4)

  • Added Bar Charts
  • Added FindNearestPoint() method
  • Minor Bug Fixes
  • Added zero-line when axis ranges from negative to positive
  • Added ScaleFormatAuto property so the ScaleFormat can be manual even when the scale range is auto
  • Added IsAxisRectAuto property so the AxisRect can be set manually

1-Mar-2004 (Release 1.3)

  • Added Date-Time Axis capability
  • Added Text Axis capability
  • Added ReverseTransform() function (returns axis values associated with a mousePt location on the graph)
  • Made some optimizations that dramatically increase the drawing speed for large datasets
  • Updated code to implement ICloneable interface and copy constructor for primary classes
  • Updated axis label code so that axis edge does not have to begin with a label (ex: axis min is 175, but first label is 200 and step is 50)
  • (Only the ZedGraphControl source file has changed)

28-Nov-2003 (Release 1.2)

  • Fixed the Axis.IsMinorOppositeTic bug (it wasn't working)
  • Changed over the ZedGraph code so that it can also be a UserControl

13-Nov-2003 (Release 1.1)

  • Fixed a minor bug in FontSpec.BoundingBox() calculation