Techart 事件列表

Question

谁能告诉我 Teechart 支持哪些事件，我们也可以检测用户在编辑窗口中编辑的数据或属性。

谢谢 阿克谢

Answer 1

谁能告诉我 Teechart 支持哪些事件

这里有 TeeChart ActiveX 中定义的事件列表：

procedure OnAfterDraw; dispid 1;
procedure OnBeforeDrawSeries; dispid 29;
procedure OnBeforeDrawAxes; dispid 30;
procedure OnClick; dispid 3;
procedure OnClickAxis(Axis: Integer; Button: EMouseButton; Shift: EShiftState; X: Integer;
                      Y: Integer); dispid 4;
procedure OnClickBackground(Button: EMouseButton; Shift: EShiftState; X: Integer; Y: Integer); dispid 5;
procedure OnClickLegend(Button: EMouseButton; Shift: EShiftState; X: Integer; Y: Integer); dispid 6;
procedure OnClickSeries(SeriesIndex: Integer; ValueIndex: Integer; Button: EMouseButton;
                        Shift: EShiftState; X: Integer; Y: Integer); dispid 7;
procedure OnDblClick; dispid 8;
procedure OnDragDrop(X: Integer; Y: Integer); dispid 9;
procedure OnDragOver(X: Integer; Y: Integer; State: EDragState; var Accept: WordBool); dispid 10;
procedure OnEndDrag(X: Integer; Y: Integer); dispid 11;
procedure OnEnter; dispid 12;
procedure OnExit; dispid 13;
procedure OnGetAxisLabel(Axis: Integer; SeriesIndex: Integer; ValueIndex: Integer;
                         var LabelText: WideString); dispid 14;
procedure OnGetLegendRect(var Left: Integer; var Top: Integer; var Right: Integer;
                          var Bottom: Integer); dispid 16;
procedure OnGetNextAxisLabel(Axis: Integer; LabelIndex: Integer; var LabelValue: Double;
                             var MoreLabels: WordBool); dispid 18;
procedure OnMouseDown(Button: EMouseButton; Shift: EShiftState; X: Integer; Y: Integer); dispid 19;
procedure OnMouseMove(Shift: EShiftState; X: Integer; Y: Integer); dispid 20;
procedure OnMouseUp(Button: EMouseButton; Shift: EShiftState; X: Integer; Y: Integer); dispid 21;
procedure OnPageChange; dispid 22;
procedure OnResize; dispid 23;
procedure OnScroll; dispid 24;
procedure OnStartDrag; dispid 25;
procedure OnUndoZoom; dispid 26;
procedure OnZoom; dispid 27;
procedure OnAllowScroll(Axis: EAxisType; var AMin: Double; var AMax: Double;
                        var AllowScroll: WordBool); dispid 2;
procedure OnGetLegendPos(ItemIndex: Integer; var X: Integer; var Y: Integer; var XColor: Integer); dispid 15;
procedure OnGetLegendText(LegendStyle: Integer; ValueIndex: Integer; var LegendText: WideString); dispid 17;
procedure OnDatabaseRecord(SeriesIndex: Integer; Index: Integer; var StopRetrieve: WordBool); dispid 28;
procedure OnTimer; dispid 31;
procedure OnGetSeriesMark(SeriesIndex: Integer; ValueIndex: Integer; var MarkText: WideString); dispid 32;
procedure OnGetSeriesPointerStyle(SeriesIndex: Integer; ValueIndex: Integer;
                                  var AStyle: EPointerStyle); dispid 33;
procedure OnGetSeriesContourLevel(SeriesIndex: Integer; LevelIndex: Integer;
                                  var LevelValue: Double; var LevelColor: OLE_COLOR); dispid 34;
procedure OnBeforeDrawChart; dispid 39;
procedure OnSeriesBeforeDrawValues(SeriesIndex: Integer); dispid 36;
procedure OnSeriesAfterDrawValues(SeriesIndex: Integer); dispid 35;
procedure OnMarkTipToolGetText(Tool: Integer; var Text: WideString); dispid 37;
procedure OnCursorToolChange(Tool: Integer; X: Integer; Y: Integer; XVal: Double; YVal: Double;
                             Series: Integer; ValueIndex: Integer); dispid 40;
procedure OnDrawLineToolLineDrag; dispid 41;
procedure OnDrawLineToolNewLine; dispid 42;
procedure OnDrawLineToolDraggedLine; dispid 43;
procedure OnDrawLineToolSelectLine; dispid 44;
procedure OnCalendarSeriesChange(Series: Integer; Value: Double); dispid 38;
procedure OnSeriesBeforeAdd(SeriesIndex: Integer; var MoreValues: WordBool); dispid 45;
function OnMouseEnterSeries(SeriesIndex: Integer): HResult; dispid 201;
function OnMouseLeaveSeries(SeriesIndex: Integer): HResult; dispid 202;
procedure OnSeriesContourBeforeDrawLevel(SeriesIndex: Integer; LevelIndex: Integer); dispid 203;
function OnSeriesAnimationToolStep(Tool: Integer; Step: Integer): HResult; dispid 204;
function OnGanttToolDragBar(Tool: Integer; GanttBar: Integer): HResult; dispid 205;
function OnGanttToolResizeBar(Tool: Integer; GanttBar: Integer; BarPart: EGanttToolPartBar): HResult; dispid 206;
function OnFunctionCalculate(SeriesIndex: Integer; X: Double; var Y: Double): HResult; dispid 207;
function OnCompressFunctionGetDate(FunctionSeriesIndex: Integer; SourceSeriesIndex: Integer;
                                   ValueIndex: Integer; var D: TDateTime): HResult; dispid 208;
function OnGaugeChange(SeriesIndex: Integer): HResult; dispid 209;
function OnNearestToolChange: HResult; dispid 210;
function OnBeforePrint: HResult; dispid 211;
function OnKeyDown(KeyCode: Integer; Shift: EShiftState): HResult; dispid 212;
function OnKeyUp(KeyCode: Integer; Shift: EShiftState): HResult; dispid 213;
function OnLegendScrollBarToolScrolled: HResult; dispid 214;
function OnSurfaceNearestToolSelectCell: HResult; dispid 215;
procedure OnDrawAxisLabel(Axis: Integer; X: Integer; Y: Integer; var LabelText: WideString); dispid 216;
procedure OnLegendDrawSymbol(Series: Integer; ValueIndex: Integer; Left: Integer; Top: Integer;
                             Right: Integer; Bottom: Integer); dispid 217;
procedure OnColorBandToolClick(Button: EMouseButton; Shift: EShiftState; X: Integer; Y: Integer); dispid 218;
function OnRotateToolRotate: HResult; dispid 219;
procedure OnColorLineToolBeginDragLine; dispid 220;
procedure OnColorLineToolDragLine; dispid 221;
procedure OnColorLineToolEndDragLine; dispid 222;
procedure OnDragPointToolDragPoint(Index: Integer); dispid 223;
procedure OnDrawLineToolSelecting(Index: Integer; AllowSelect: WordBool); dispid 224;
function OnSelectorToolDragged: HResult; dispid 225;
function OnSelectorToolDragging: HResult; dispid 226;
function OnSelectorToolResized: HResult; dispid 227;
function OnSelectorToolResizing: HResult; dispid 228;
function OnSelectorToolSelected: HResult; dispid 229;
procedure OnAnnotationToolClick(Button: EMouseButton; Shift: EShiftState; X: Integer; Y: Integer); dispid 230;
function OnRectangleToolDragging: HResult; dispid 231;
function OnRectangleToolResizing: HResult; dispid 232;
procedure OnRectangleToolClick(Button: EMouseButton; Shift: EShiftState; X: Integer; Y: Integer); dispid 233;
procedure OnSeriesAfterAdd(SeriesIndex: Integer; ValueIndex: Integer); dispid 234;
procedure OnGetSeriesBarStyle(SeriesIndex: Integer; ValueIndex: Integer; var BarStyle: EBarStyle); dispid 235;
function OnVideoToolNewFrame: HResult; dispid 236;
function OnVideoToolStart: HResult; dispid 237;
function OnVideoToolStop: HResult; dispid 238;
function OnVideoPlayerToolFrame: HResult; dispid 239;
function OnOpenGLInit: HResult; dispid 240;
function OnOpenGLRepaint: HResult; dispid 241;
procedure OnCursorToolSnapChange(Tool: Integer; X: Integer; Y: Integer; XVal: Double;
                                 YVal: Double; Series: Integer; ValueIndex: Integer); dispid 242;
procedure OnDragMarksToolDraggedMark(Index: Integer; Button: EMouseButton; Shift: EShiftState;
                                     X: Integer; Y: Integer); dispid 243;
procedure OnDragMarksToolDraggingMark(Index: Integer; Button: EMouseButton; Shift: EShiftState;
                                      X: Integer; Y: Integer); dispid 244;
function OnRectangleToolDragged: HResult; dispid 245;
function OnRectangleToolResized: HResult; dispid 246;
function OnMarkTipToolCancelHint: HResult; dispid 247;
procedure OnSeriesClickPointer(SeriesIndex: Integer; ValueIndex: Integer; X: Integer; Y: Integer); dispid 248;
procedure OnSeriesClickPointer3D(SeriesIndex: Integer; ValueIndex: Integer; X: Integer;
                                 Y: Integer); dispid 249;
function OnFaderToolStop: HResult; dispid 250;
function OnAxisArrowToolClick(ToolIndex: Integer; AtStart: WordBool): HResult; dispid 251;
function OnColorBandToolResized: HResult; dispid 252;
procedure OnAddSeries(SeriesIndex: Integer); dispid 253;
procedure OnRemoveSeries(SeriesIndex: Integer); dispid 254;
function OnLegendScrollBarToolChangeSize: HResult; dispid 255;
procedure OnLegendScrollBarToolSetPosition(Value: Integer); dispid 256;
procedure OnImageSeriesGetImage(SeriesIndex: Integer; ValueIndex: Integer;
                                var Picture: ITeePicture); dispid 257;
procedure OnGetSeriesCircleLabel(SeriesIndex: Integer; Angle: Double; Index: Integer;
                                 var Text: WideString); dispid 258;
procedure OnTagCloudSeriesDrawTag(SeriesIndex: Integer; ValueIndex: Integer); dispid 259;
procedure OnSurfaceSeriesGetYValue(SeriesIndex: Integer; X: Integer; Z: Integer; var Y: Double); dispid 260;
procedure OnDataTableToolFilterSeries(SeriesIndex: Integer; var Accept: WordBool); dispid 261;
function OnSubChartToolDragged: HResult; dispid 262;
function OnSubChartToolDragging: HResult; dispid 263;
function OnSubChartToolResized: HResult; dispid 264;
function OnSubChartToolResizing: HResult; dispid 265;
function OnDragPointToolStartDrag(index: Integer; start: WordBool): HResult; dispid 266;

注意 TeeChart ActiveX 是 TeeChart VCL 版本的包装器。

我们可以在编辑中检测到用户编辑的数据或属性吗 窗户

一般不会。当然你可以在打开编辑器之前保存一个属性的状态，以后再对比。

另一方面，请注意，TeeChart 编辑器被认为可以帮助开发人员设计他们的图表，从而最大限度地减少代码编写，但并未考虑到最终用户。它有很多选项，很难预测和处理用户可能设置的所有可能性，其中一些不一定是连贯的。