private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == Win32.WM_ACTIVATE)
{
if (Owned)
{
m_hwndAdornerGroup.ActivateInGroupLimits(this);
}
}
else if (msg == Win32.WM_GETMINMAXINFO)
{
unsafe
{
MINMAXINFO *minMaxInfo = (MINMAXINFO *)lParam;
minMaxInfo->ptMinTrackSize = new POINT()
{
X = 0, Y = 0
};
}
// A safe inefficient version for the unsafe block above
//var minMaxInfo = (MINMAXINFO)Marshal.PtrToStructure(lParam, typeof (MINMAXINFO));
//minMaxInfo.ptMinTrackSize = new POINT();
//Marshal.StructureToPtr(minMaxInfo, lParam, true);
}
return(IntPtr.Zero);
}
