Reference TRectSelection

Declared in Codebot.Controls.Grids.pas on line 38

TRectSelection tracks an area of a control which needs to be repainted

  TRectSelection = record
  public
    { Empty the area }
    procedure Clear;
    { Grow the area to include a rectangle }
    procedure Add(Rect: TRectI);
    { Move the area by a scroll amount }
    procedure Scroll(X, Y: Integer);
    { Invalidate the area of a control }
    procedure Update(Control: TWinControl);
    { The area }
    property Region: TRectI read FRect;
    { Modified is true when a rectangle has been added }
    property Modified: Boolean read FAdded;
  end;

Reference TRectSelection

See also