21-06-2018, 01:17 AM
PHP كود :
type
TDBGrid = Class(DBGrids.TDBGrid)
private
FIcon:TIcon;
FImageList: TImageList;
procedure SetImageList(const Value: TImageList);
Destructor Destroy;override;
published
procedure DrawCell(ACol, ARow: Longint; ARect: TRect; AState: TGridDrawState); override;
Property Imagelist: TImageList read FImageList Write SetImageList;
End;
TForm2 = class(TForm)
.......
implementation
{$R *.dfm}
{ TDBGrid }
destructor TDBGrid.Destroy;
begin
if Assigned(FIcon) then FIcon.Free;
inherited;
end;
procedure TDBGrid.SetImageList(const Value: TImageList);
begin
FImageList := Value;
FreeAndNil(FIcon);
if Assigned(FImageList) then
begin
FIcon := TIcon.Create;
FImageList.GetIcon(0, FIcon);
end;
end;
procedure TDBGrid.DrawCell(ACol, ARow: Integer; ARect: TRect; AState: TGridDrawState);
var
L_Col: Integer;
begin
if dgIndicator in Options then
L_Col := ACol - 1
else
L_Col := ACol;
inherited;
if Assigned(FIcon) and (L_Col > -1) and (ARow = 0) and (Columns[L_Col].FieldName = 'ID') and (gdFixed in AState) then
begin
Canvas.Draw(ARect.Right - 18, ARect.Bottom - 18, FIcon);
//FImagelist.Draw(Canvas,ARect.Right - 18, ARect.Bottom - 18,0); // would cause more flickering
end;
end;
procedure TForm2.FormCreate(Sender: TObject);
begin
DBGrid1.DoubleBuffered := true;
DBGrid1.Imagelist := ImageList1;
ReportMemoryLeaksOnShutDown := true;
end;
قل: اللهم فاطِرَ السماوات والأرض عالم الغيبِ والشهادة، ربَّ كُلِّ شَيءٍ ومَلِيكَه، أَشْهد أن لا إله إلا أنت، أعوذ بك من شرِّ نفسي وشرِّ الشيطان وشِرْكِهِ وأن أقترف على نفسي سوءًا أو أجرُّه إلى مسلم


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