internal static void SetItemState(ListView listView, int itemIndex, int mask, int value)
{
NativeListViewItem lvItem = new NativeListViewItem {
stateMask = mask, state = value
};
SendMessage(listView.Handle, LVM_SETITEMSTATE, itemIndex, ref lvItem);
}
internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, ref NativeListViewItem lvi);