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|See also: OnBeforeRenderData, OnDataRendered|
The OnClick and the OnDblClick events occur when the user clicks on the component. The OnClick and the OnDblClick events occur when the user clicks on the component. The events OnMouseMove, OnMouseDown, OnMouseUp, OnMouseWheel, OnMouseWheelUp, and OnMouseWheelDown support the handling of the mouse. See the Delphi (C++ Builder) documentation for more details.
Note, that the OnMouseMove event is internally used to control the interactive operation if the property MouseAction is set to a value other than maNone.
The OnDataRendered and OnBeforeRenderData events can be used to draw on the canvas of the component. The OnLblRequest event is triggered when a symbol is to be drawn, allowing the user to supply a text label for that symbol.