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About Drag&Drop

Posted on 1999-01-10
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Last Modified: 2010-04-06
How can I make program with Drag&Drop process? For example: I want to make program whish will get filename and path of file which I drag forom Windows Explorer or my desktop?
Can you send me source code?
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Question by:milmil
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2 Comments
 
LVL 12

Accepted Solution

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rwilson032697 earned 200 total points
ID: 1355800
Look in the delphi section of this page:

http://www.melander.dk/

It has a very good drag and drop component thats free with source code.

Cheers,

Raymond.
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LVL 1

Expert Comment

by:martin_g
ID: 1355801
Hi,
Here's some code that worked for me copying files from a File List Box to a ChekList Box:

procedure TDSBMainForm.CheckListBox1DragDrop(Sender, Source: TObject; X,
  Y: Integer);
 begin
  AddFilesToList;
 end;


procedure TDSBMainForm.FileListBox1EndDrag(Sender, Target: TObject; X,
  Y: Integer);
begin
if Target <> nil then FileListBox1.Update;

end;

procedure TDSBMainForm.AddFilesToList;
var
 i,j:integer;
 OkayToAdd:Boolean;

begin
  For i:= 0 to FileListBox1.Items.Count -1 do
   if FileListBox1.Selected[i] then
   {check to see if the new item is already in the checklist box}
   begin
      OkayToAdd:=False;
      for j:=0 to CheckListBox1.Items.Count -1 do
        if ExpandFileName(FileListBox1.Items[i])=CheckListBox1.Items[j] then OkayToAdd:=true;
      if OkayToAdd<>true then
        CheckListBox1.Items.Add(ExpandFileName(FileListBox1.items[i]));
   end {if}
end;
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