IntPtr WindowProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
switch (msg)
{
case 0x0024:
Win32.MINMAXINFO mmi = (Win32.MINMAXINFO)Marshal.PtrToStructure(lParam, typeof(Win32.MINMAXINFO));
IntPtr monitor = Win32.MonitorFromWindow(hwnd, 0x00000002 /*MONITOR_DEFAULTTONEAREST*/);
if (monitor != IntPtr.Zero)
{
Win32.MONITORINFO monitorInfo = new Win32.MONITORINFO {
};
Win32.GetMonitorInfo(monitor, monitorInfo);
Win32.RECT rcWorkArea = monitorInfo.rcWork;
Win32.RECT 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);
if (!CachedMinTrackSize.Equals(mmi.ptMinTrackSize) || CachedMinHeight != MinHeight && CachedMinWidth != MinWidth)
{
mmi.ptMinTrackSize.x = (int)((CachedMinWidth = MinWidth) * WindowCompositionTarget.TransformToDevice.M11);
mmi.ptMinTrackSize.y = (int)((CachedMinHeight = MinHeight) * WindowCompositionTarget.TransformToDevice.M22);
CachedMinTrackSize = mmi.ptMinTrackSize;
}
}
Marshal.StructureToPtr(mmi, lParam, true);
handled = true;
break;
}
return(IntPtr.Zero);
}
private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == Win32.WM_GETMINMAXINFO)
{
// Get the monitor handle.
IntPtr hMonitor = Win32.MonitorFromWindow(hwnd, Win32.MONITOR_DEFAULTTONEAREST);
if (hMonitor != IntPtr.Zero)
{
// Gets monitor information.
Win32.MONITORINFO monitorInfo = Win32.MONITORINFO.Create();
if (Win32.GetMonitorInfo(hMonitor, ref monitorInfo) != 0)
{
// Gets the MINMAXINFO.
Win32.MINMAXINFO minMaxInfo = (Win32.MINMAXINFO)Marshal.PtrToStructure(lParam, typeof(Win32.MINMAXINFO));
if (IsFullScreenMode)
{
// If it is the full screen mode, it must use the entire screen.
minMaxInfo.ptMaxPosition.x = monitorInfo.rcMonitor.left;
minMaxInfo.ptMaxPosition.y = monitorInfo.rcMonitor.top;
minMaxInfo.ptMaxSize.x = Math.Abs(monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left);
minMaxInfo.ptMaxSize.y = Math.Abs(monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top);
}
else
{
// If it is not the full screen mode, it must use the work area.
minMaxInfo.ptMaxPosition.x = monitorInfo.rcWork.left;
minMaxInfo.ptMaxPosition.y = monitorInfo.rcWork.top;
minMaxInfo.ptMaxSize.x = Math.Abs(monitorInfo.rcWork.right - monitorInfo.rcWork.left);
minMaxInfo.ptMaxSize.y = Math.Abs(monitorInfo.rcWork.bottom - monitorInfo.rcWork.top);
}
// Sets the modified MINMAXINFO.
Marshal.StructureToPtr(minMaxInfo, lParam, false);
handled = true;
}
} // if (hMonitor != IntPtr.Zero)
} // if (msg == Win32.WM_GETMINMAXINFO)
return(IntPtr.Zero);
}
