Mega Code Archive
Drag & Drop multiple items within a TListView
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Title: Drag & Drop multiple items within a TListView?
{ ListView1.DragMode := dmAutomatic }
procedure TForm1.ListView1DragDrop(Sender, Source: TObject; X, Y: Integer);
var
DragItem, DropItem, CurrentItem, NextItem: TListItem;
begin
if Sender = Source then
with TListView(Sender) do
begin
DropItem := GetItemAt(X, Y);
CurrentItem := Selected;
while CurrentItem nil do
begin
NextItem := GetNextItem(CurrentItem, SdAll, [IsSelected]);
if DropItem = nil then DragItem := Items.Add
else
DragItem := Items.Insert(DropItem.Index);
DragItem.Assign(CurrentItem);
CurrentItem.Free;
CurrentItem := NextItem;
end;
end;
end;
procedure TForm1.ListView1DragOver(Sender, Source: TObject; X, Y: Integer;
State: TDragState;
var Accept: Boolean);
begin
Accept := Sender = ListView1;
end;
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