5 references to Contains
System.Windows.Forms (5)
winforms\Managed\System\WinForms\ListView.cs (2)
3351if (item.Group != null && Groups.Contains(item.Group)) { 3737Debug.Assert(group == DefaultGroup || this.Groups.Contains(group),"Make sure ListView.Groups contains this group before adding the native LVGROUP. Otherwise, custom-drawing may break.");
winforms\Managed\System\WinForms\ListViewGroup.cs (3)
450if (this.Contains(group)) { 556return Contains((ListViewGroup)value); 600if (Contains(group)) {