Показ изображений в DBGrid

{
// DBPICGRD.PAS (C)
//      ВСЕ ПРАВА ЗАЩИЩЕНЫ.
//
// ОПИСАНИЕ:
//      Компонент DBGrid, способный
//      отображать графику в ячейках.
}

unit DBPicGrd;

interface

uses

  DBGrids, DB, DBTables, Grids, WinTypes, 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("Custom", [TDBPicGrid]);
end;

end.