2 references to Contains
System.Windows.Forms (2)
System\Windows\Forms\Controls\ListView\ListView.cs (1)
4118Debug.Assert(Items.Contains(li), "Make sure ListView.Items contains this item before adding the native LVITEM. Otherwise, custom-drawing may break.");
System\Windows\Forms\Controls\ListView\ListView.ListViewItemCollection.cs (1)
246=> item is ListViewItem listViewItem && Contains(listViewItem);