2006. november 24., péntek
Drag a row from a TDBGrid to a TMemo
Problem/Question/Abstract:
I have a TDBGrid with several rows of data in it. Is it possible to be able to drag one of the rows off of the grid and drop it on another control?
Answer:
procedure TForm1.DBGrid1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
begin
if DragDetect(DBGrid1.Handle, Point(x, y)) then
DBGrid1.BeginDrag(False);
end;
procedure TForm1.Memo1DragOver(Sender, Source: TObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
begin
Accept := Source = DBGrid1;
end;
procedure TForm1.Memo1DragDrop(Sender, Source: TObject; X, Y: Integer);
var
i: Integer;
begin
Memo1.Clear;
for i := 0 to DBGrid1.Columns.Count - 1 do
Memo1.Lines.Add(DBGrid1.Columns[i].Field.AsString);
{or use DataSet}
end;
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