TRegion

type TRegion = class(TGraphicsObject)

protected

  procedure SetClipRect();

SetClipRect - specify the rectangle to use for clipping

  function GetClipRect;

GetClipRect - returns the coordinates of the clipping rectangle

public

  constructor Create;

Create - constructor for TRegion: calls inherited Create and sets FillChar

  destructor Destroy; override;

Destroy - destructor for TRegion: frees reference then calls inherited Destroy

  procedure Assign(); override;

Assign - if Source is another TRegion, copies the dimensions of the clipping rectangle

  property ClipRect: TRect; [rw]

ClipRect - The rectangle to be used for clipping text

  property Handle: HRGN; [rw]

Operating System Handle for this Region

  property Reference: TWSRegionReference; [r]

A Reference to the current Region

end;

TRegion

A defined Region on the screen, in which text is written

TGraphicsObject

TGraphicsObject - Primitive ancestor class, mainly for Delphi compatibility

TPersistent

TObject

TRegionData (in same Unit)

The Data about the current Region on the Screen or Canvas