Drag and Drop несколько элементов в TListView
Материал из DRKB
Drag and Drop несколько элементов в TListView[править | править код]
{ 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;
Source: http://delphiworld.narod.ru/
ID: 00704