private void DisplaySettingsChanged(object sender, EventArgs e)
{
//resolve any screen orientation change
DisplayUtil.CheckScreenOrientation(Handle);
//end
double oldLeft = this.Left;
double oldTop = this.Top;
//resolve this problem: if screen resolution change, video windows show improperly
//this.ChangeWindowState(WindowState.Normal);//if window is minimized, codes below will not get right result
this.RestoreWindow(); //if window is minimized, codes below will not get right result
Screen screen = DpiUtil.GetScreenByHandle(Handle);
double ratio = 1;
try
{
uint dpiX = 0;
uint dpiY = 0;
DpiUtil.GetDpiByScreen(screen, out dpiX, out dpiY);
ratio = dpiX / 96d;
if (ratio <= 0)
{
ratio = 1;
}
}
catch (DllNotFoundException ex)
{
ratio = 1;
log.Warn("Cannot adjust window size for : " + ex.Message);
}
if (this.Left >= screen.Bounds.Left / ratio && this.Left < ((screen.Bounds.Left + screen.Bounds.Width) / ratio))
{
//window is not cross screen, nothing todo
}
else
{
//reset default size when window cross screen
double height = screen.Bounds.Height / 1.2d;
double width = height * _initialWidth / _initialHeight;
Utils.MySetWindowPos(Handle, new Rect(screen.Bounds.Left + (screen.Bounds.Width - width) / 2, screen.Bounds.Top + (screen.Bounds.Height - height) / 2, width, height));
_displaySettingChangedTime = DateTime.Now;
//do this trick to refresh layout of all the video windows
this.MinimizeWindow();
this.RestoreWindow();
//end
}
}
private void FullScreenBaseWindow_Loaded(object sender, RoutedEventArgs e)
{
HwndSource hwndSource = (HwndSource)HwndSource.FromVisual((Window)sender);
hwndSource.AddHook(DragHook);
this.StateChanged += FullScreenBaseWindow_StateChanged;
_aspectRatio = _initialWidth / (_initialHeight - _titlebarHeight);
Handle = new WindowInteropHelper(this).Handle;
DisplayUtil.CheckScreenOrientation(Handle);
Microsoft.Win32.SystemEvents.DisplaySettingsChanged += new System.EventHandler(DisplaySettingsChanged);
DpiX = 96d;
DpiY = 96d;
UpdateDpiValue();
if (!_notAdjustSizeOnLoaded)
{
AdjustWindowSize();
}
}