unit DBPicGrd; interface uses DBGrids, DB, DBTables, Grids, Windows, Classes, Graphics; type TDBPicGrid = class(TDBGrid) protected procedure DrawDataCell(const Rect: TRect; Field: TField; State: TGridDrawState); override; public constructor Create(AOwner : TComponent); override; published property DefaultDrawing default False; end; procedure Register; implementation
constructor TDBPicGrid.Create(AOwner : TComponent); begin inherited Create(AOwner); DefaultDrawing := False; end;
procedure TDBPicGrid.DrawDataCell(const Rect: TRect; Field: TField; State: TGridDrawState); var bmp : TBitmap; begin with Canvas do begin FillRect(Rect); if Field is TGraphicField then try bmp := TBitmap.Create; bmp.Assign(Field); Draw(Rect.Left, Rect.Top, bmp); finally bmp.Free; end else TextOut(Rect.Left, Rect.Top, Field.Text); end; end;
procedure Register; begin RegisterComponents('Samples', [TDBPicGrid]); end; end.
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