DK11 for Delphi | GisLayerVector.TGIS_Shape.Invalidate | Constructors | Fields | Methods | Properties
Invalidate the area of a shape; whole cached output will be invalidated.
// Delphi public procedure Invalidate; overload; virtual;
// C++ Builder public: virtual void Invalidate(void) /* overload */;
See Combine for similar example.