private void WmGetMinMaxInfo(IntPtr hwnd, IntPtr lparam)
{
var mmi = (MINMAXINFO)Marshal.PtrToStructure(lparam, typeof(MINMAXINFO));
const int MONITOR_DEFAULTTONEAREST = 0x00000002;
var monitor = NativeMethods.MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
if (monitor != IntPtr.Zero)
{
var monitorInfo = new MONITORINFO();
NativeMethods.GetMonitorInfo(monitor, monitorInfo);
var rcWorkArea = monitorInfo.rcWork;
var rcMonitorArea = monitorInfo.rcMonitor;
mmi.ptMaxPosition.x = Math.Abs(rcWorkArea.left - rcMonitorArea.left);
mmi.ptMaxPosition.y = Math.Abs(rcWorkArea.top - rcMonitorArea.top);
mmi.ptMaxSize.x = Math.Abs(rcWorkArea.right - rcWorkArea.left);
mmi.ptMaxSize.y = Math.Abs(rcWorkArea.bottom - rcWorkArea.top);
}
Marshal.StructureToPtr(mmi, lparam, true);
}
internal static extern bool GetMonitorInfo(IntPtr hMonitor, MONITORINFO lpmi);
