TeeChart Pro VCL是一款主流的圖表制作工具。自1997年以來，它的發展經歷了與用戶的需求反饋不斷交互以及不斷創新的過程。現在TeeChart Pro VCL升級到了2013版本，此版本支持 RAD Studio XE4，并且有大量改進和bug修復，接下來就讓我們進一步了解更新內容吧。

New Features

• 完全支持RAD Studio XE4
• 新的TDashBoard控件
• 在about對話框增加新的自動更新功能
• ICircledSeries Circled默認屬性變更,從False變更為True，(Pie,Donut,等)
• 新的 IPieSeries.PieMarks.InsideSlice 布爾運算屬性，默認為False
• 自定義圖表主題：通過 New TThemesList.Apply可將任意 TeeChart 或者 *.tee file做成主題在其他圖表中運用
• Firemonkey：所有鋼筆工具都有一個完整的屬性，允許畫筆畫出梯度或位圖
• Firemonkey and VCL with GDI+ canvas ：所有梯度工具現在支持各種顏色，支持每種顏色透明度（阿爾法混合）調整
• Firemonkey：改善TTeeCanvas.StretchDraw全景位圖的3D效果（例如：TColorGridSeries）
• Firemonkey: Implemented TTeeCanvas GetPixel and SetPixel methods (Pixels[X,Y] property)
• New Series.Marks.Style: smsLabelPercentValue which includes: Label, Percent, and Value
• TCursorTool now snaps to the Z position of the points when lined to a 3D series
• Predefined color palettes support multiple custom colors
• Default series color (clTeeColor) can be used as a series color via series editors
• 所有新建的圖表默認GDI+ canvas
• New 3D -> Render tab in the chart editor to choose which canvas to be used: GDI, GDI+ or OpenGL
• TPieSeries rendering improved using floating point arcs instead of integers among other enhancements and bug fixes
• TNearestTool.Distance property. Sets the maximum allowed distance from mouse cursor to series points to paint the tool (0 = any distance)
• New TNearestTool.Hint and HintStyle properties and OnGetHint event
• 新iOS 畫板
• Improved Ellipse rendering using floating point calculations instead of integers where appliable
• New TChartPen.Fill property (type TBrush). Only available in Firemonkey
• New property at TCustomSeries: Line, Area, Point and all derived from them), and TFastLineSeries. Series1.ClickTolerance, indicates the number of pixels around lines to consider "clicked". Default is zero, which is current behavior
• Pie Slice tool now works with multiple pie series in a chart now

Bugfixes/changes

• Shadow in TPieSeries didn't plot correctly. Fixed
• Removing an AntiAlias tool with the chart editor produced an Access Violation error. Fixed
• Fixed resource leak when creating / saving more than 2500 JPEGs
• Pie series not rendering correctly in GDI+ when Rotation<>0. Fixed
• "Close" button in chart editor not visible after visiting "Export" tab. Fixed
• ApplyBright function makes the AnnotationTool to be drawn incorrectly in FMX. Fixed
• Support for C++ Builder 5, C++ Builder 6, Delphi 5, Delphi 6, Delphi 2005 and BDS 2006 has been discontinued from this release
• "Grid index out of range" error when adding a Custom Legend tool at design time. Fixed
• Pointer Brush Style and Pointer Brush Color don't work fine. Fixed
• Scrolling with the MouseWheel doesn't save the state of the axes. Fixed
• Renamed TeeProcs "ColorPalette" global array variable, to "TeeColorPalette"
• TAxisBreaksTool was not displaying axis labels correctly
• Clicked function for TAreaSeries with Stairs doesn't work well. Fixed
• Missing binary packages and libraries for C++ Builder 64-bit. Fixed
• TAxisBreaksTool was not displaying axis labels correctly
• Clicked function for TBarSeries in 3D doesn't work fine. Fixed
• Null points drawn incorrectly in TFastLineSeries with stairs. Fixed
• TEquiVolumeSeries improved, several bug-fixes and enhancements
• Grid lines in TSmithSeries were not displayed at all with GDI+ canvas. Fixed
• Series Marks RoundSize (RoundRectangle), was wrongly positioned using OpenGL canvas