LVM_ISGROUPVIEWENABLED

1 reference to LVM_ISGROUPVIEWENABLED

System.Windows.Forms (1)

winforms\Managed\System\WinForms\ListViewItem.cs (1)

1160Debug.Assert(!updateOwner || listView.SendMessage(NativeMethods.LVM_ISGROUPVIEWENABLED, 0, 0) != IntPtr.Zero, "Groups not enabled");