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How to drag a row from a TDBGrid to a TMemo Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
19-May-03
Category
Reporting /Printing
Language
Delphi 2.x
Views
149
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Tomas Rutkauskas

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:
1   
2   procedure TForm1.DBGrid1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: 
3   Integer);
4   begin
5     if DragDetect(DBGrid1.Handle, Point(x, y)) then
6       DBGrid1.BeginDrag(False);
7   end;
8   
9   procedure TForm1.Memo1DragOver(Sender, Source: TObject; X, Y: Integer;
10    State: TDragState; var Accept: Boolean);
11  begin
12    Accept := Source = DBGrid1;
13  end;
14  
15  procedure TForm1.Memo1DragDrop(Sender, Source: TObject; X, Y: Integer);
16  var
17    i: Integer;
18  begin
19    Memo1.Clear;
20    for i := 0 to DBGrid1.Columns.Count - 1 do
21      Memo1.Lines.Add(DBGrid1.Columns[i].Field.AsString);
22    {or use DataSet}
23  end;


			
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