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api:dk11:delphi:gisrendererabstract.tgis_rendererabstract.renderbitmapbegin_void

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TGIS_RendererAbstract.RenderBitmapBegin method

DK11 for Delphi | GisRendererAbstract.TGIS_RendererAbstract.RenderBitmapBegin | Fields | Methods | Properties

Prepare custom rendering context for lengthy bitmap drawing. Use for example to display progressive update of ECW files.

Available also on: .NET | Java | ActiveX.

Syntax

// Delphi
public
  function RenderBitmapBegin : TObject; virtual; abstract;
// C++ Builder
public:
  virtual TObject* RenderBitmapBegin(void) = 0;

Result

Type Description
TObject Handle to the context.
2018/02/17 00:10