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  1. TMS Advanced Poly List

Tips and Frequently Asked Questions

 Drag & drop items


Drag & drop from one list to a second list can be done by implementing 2 events. Allowing an item to be dropped is setting the Accept parameter true. Dropping the item can be done by calling AddDropItem and as parameter the SelectedDragDropItem from the first list. 
procedure TForm1.AdvPolyList2DragOver(Sender, Source: TObject; X, Y: 
Integer; State: TDragState; var Accept: Boolean);
begin
   Accept := Source is TAdvPolyList;
end;

procedure TForm1.AdvPolyList2DragDrop(Sender, Source: TObject; X, Y: Integer);
begin
   AdvPolyList2.AddDropItem((Source as TAdvPolyList).SelectedDragDropItem);
end;
Also internal drag drop is supported. This can be switched off by setting the Reorder parameter to false. When Reorder is true, a default red line will appear that will follow the mouse and show the insert position of the item you want to move.

This is also explained at page 34 of the PDF Developers Guide


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TMS Advanced Poly List

An extremely versatile and flexible architecture to create virtually any possible lists of items in user interfaces.