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I Cant figure out drag and drop!

Posted on 1998-09-26
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Last Modified: 2010-04-06
Can anyone explain to me how to use drag and drop within a delphi program.
thanks in advance.
Mike Ross
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Question by:mykyl
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4 Comments
 
LVL 10

Expert Comment

by:viktornet
ID: 1340877
Tell me your e-mail address and I'll send you some code....
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Accepted Solution

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viktornet earned 100 total points
ID: 1340878
Here is the code but anyway, if you need the project tell me your e-mail address and I'll send ya somethin'
-----------------
ListBox1, and ListBox2 are TListBox 'es
//Set listbox1.DragMode := dmAutomatic;

procedure TForm1.ListBox2DragOver(Sender, Source: TObject; X, Y: Integer;
  State: TDragState; var Accept: Boolean);
begin
  Accept := Sender is TListBox;
end;

procedure TForm1.ListBox2DragDrop(Sender, Source: TObject; X, Y: Integer);
var
  str : string;
begin
  str := listbox1.items[listbox1.itemindex];
  if listbox2.items.indexof(str) < 0 then
    listbox2.items.add(str);
end;
-----------

Regards,
Viktor Ivanov
0
 

Author Comment

by:mykyl
ID: 1340879
My email address is
mike @viprocess.ndirect.co.uk
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LVL 10

Expert Comment

by:viktornet
ID: 1340880
Does it work now???

//Viktor
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