private int ColumnAtIndex(int column)
{
HDITEM lParam = default(HDITEM);
lParam.mask = 128;
for (int i = 0; i < ColumnCount; i++)
{
if (Win32.SendMessage(HeaderWnd, 4611, column, ref lParam) != IntPtr.Zero)
{
return(lParam.iOrder);
}
}
return(0);
}
public static extern IntPtr SendMessage(IntPtr hwnd, int msg, int wParam, ref HDITEM lParam);
