protected override void UpdateDisplayMode()
{
// Get the monitor
Monitor monitor = GetMonitorOfWindow();
if (monitor == null)
{
Engine.Log.Warning("No monitor attached?", MessageSource.Win32);
return;
}
switch (_mode)
{
case DisplayMode.Windowed:
WindowStyles style = DetermineWindowStyle();
IntPtr res = User32.SetWindowLongPtr(_windowHandle, WindowLongFlags.GWL_STYLE, (IntPtr)style);
if (res == IntPtr.Zero)
{
CheckError("Couldn't change display mode to windowed.", true);
}
if (_windowModeSize != null)
{
Size = (Vector2)_windowModeSize;
_windowModeSize = null;
}
// Center window on screen. (This will also apply the SetWindowLongPtr changes, and remove the topmost status when exiting out of fullscreen)
Position = monitor.Position + (new Vector2(monitor.Width, monitor.Height) / 2 - Size / 2);
break;
case DisplayMode.Fullscreen:
IntPtr resp = User32.SetWindowLongPtr(_windowHandle, WindowLongFlags.GWL_STYLE, (IntPtr)FULLSCREEN_STYLE);
if (resp == IntPtr.Zero)
{
CheckError("Couldn't change display mode to fullscreen, couldn't apply window style.", true);
return;
}
bool successful = User32.SetWindowPos(
_windowHandle, (IntPtr)HwndZOrder.HWND_NOTOPMOST,
(int)monitor.Position.X, (int)monitor.Position.Y,
monitor.Width, monitor.Height,
WindowPositionFlags.SWP_NOACTIVATE | WindowPositionFlags.SWP_NOCOPYBITS | WindowPositionFlags.SWP_FRAMECHANGED
);
if (!successful)
{
CheckError("Couldn't change display mode to fullscreen, couldn't apply window rect.", true);
}
// Center cursor on screen/window.
User32.SetCursorPos((int)(monitor.Position.X + monitor.Width / 2), (int)(monitor.Position.Y + monitor.Height / 2));
break;
}
}
