| 
   
    | ...Items einer TListBox per Drag & Drop  in ein TRichEdit einfügen? |   
    | Autor: 
      Thomas Stutz |  | [ Tip ausdrucken ] |  |  |  
 
 
function RECharIndexByPos(RichEdit: TRichEdit; X, Y: Integer): Integer;var
 P: TPoint;
 begin
 P := Point(X, Y);
 Result := SendMessage(RichEdit.Handle, EM_CHARFROMPOS, 0, Longint(@P));
 end;
 
 
 procedure TForm1.RichEdit1DragOver(Sender, Source: TObject; X, Y: Integer;
 State: TDragState; var Accept: Boolean);
 var
 P: TPoint;
 begin
 // Check, if Source is ListBox1
 Accept := Source = ListBox1;
 if GetCursorPos(P) then
 with RichEdit1 do
 begin
 // Get the Index from Mouse Position
 P := ScreenToClient(P);
 SelStart := RECharIndexByPos(RichEdit1, P.X, P.Y);
 SetFocus;
 end;
 end;
 
 procedure TForm1.RichEdit1DragDrop(Sender, Source: TObject; X, Y: Integer);
 begin
 // finally insert text at mouse position
 RichEdit1.SelText := ListBox1.Items[ListBox1.ItemIndex];
 end;
 
 
 
   
   
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