public static void CenterWindowOnMasterWindowScreen(Window window, IMasterDisplayWindow masterWindow)
{
log.InfoFormat("Center window on master window screen, window: widht={0}, height={1}", window.Width, window.Height);
if (null == masterWindow)
{
log.Info("Master window is null and can not center window");
return;
}
Screen screen = DpiUtil.GetScreenByHandle(masterWindow.GetHandle());
double currentRatio = 1;
uint currentScreenDpiX = 96;
uint currentScreenDpiY = 96;
try
{
DpiUtil.GetDpiByScreen(screen, out currentScreenDpiX, out currentScreenDpiY);
currentRatio = (double)currentScreenDpiX / 96;
}
catch (DllNotFoundException e)
{
log.ErrorFormat("Can not load windows dll: {0}", e);
}
//if (masterWindow.GetWindow().WindowState == WindowState.Minimized)
//{
// masterWindow.GetWindow().WindowState = WindowState.Normal;
//}
double tempWidth = window.Width;
double tempHeight = window.Height;
double left = 0;
double top = 0;
if (screen.DeviceName.Equals(System.Windows.Forms.Screen.PrimaryScreen.DeviceName))
{
log.InfoFormat("Set window on primary screen, screen: left={0}, top: {1}, width: {2}, height: {3}, ratio: {4}"
, screen.Bounds.Left, screen.Bounds.Top, screen.Bounds.Width, screen.Bounds.Height, currentRatio
);
left = (screen.Bounds.Left / currentRatio + (screen.Bounds.Width / currentRatio - tempWidth) / 2);
top = (screen.Bounds.Top / currentRatio + (screen.Bounds.Height / currentRatio - tempHeight) / 2);
}
else
{
log.InfoFormat("Set window on extend screen, screen: left={0}, top: {1}, width: {2}, height: {3}, ratio: {4}"
, screen.Bounds.Left, screen.Bounds.Top, screen.Bounds.Width, screen.Bounds.Height, currentRatio
);
left = (screen.Bounds.Left * currentRatio + (screen.Bounds.Width * currentRatio - tempWidth) / 2);
top = (screen.Bounds.Top * currentRatio + (screen.Bounds.Height * currentRatio - tempHeight) / 2);
}
window.Left = left;
window.Top = top;
log.InfoFormat("window is centered, left: {0}, top: {1}, set value: {2} - {3}", window.Left, window.Top, left, top);
}
private static Screen GetSuitableScreen(IMasterDisplayWindow masterWindow)
{
if (System.Windows.Forms.Screen.AllScreens.Length == 1)
{
return(System.Windows.Forms.Screen.PrimaryScreen);
}
else
{
// there are more than one screens.
Screen rejectiveWinScreen = DpiUtil.GetScreenByHandle(masterWindow.GetHandle());
Screen[] screens = System.Windows.Forms.Screen.AllScreens;
foreach (System.Windows.Forms.Screen s in screens)
{
if (!s.DeviceName.Equals(rejectiveWinScreen.DeviceName))
{
return(s);
}
}
}
return(null);
}
public static System.Windows.Forms.Screen SetWndOnSuitableScreen(Window window, IMasterDisplayWindow masterWindow)
{
log.InfoFormat("set screen for window: {0}", window.Title);
Screen screen = GetSuitableScreen(masterWindow);
if (screen == null)
{
return(null);
}
log.InfoFormat("target screen is {0}", screen.DeviceName);
//IntPtr handle = new WindowInteropHelper(window).Handle;
Screen currentScreen = DpiUtil.GetScreenByPoint((int)window.Left, (int)window.Top);
if (screen.Equals(currentScreen))
{
// already in the suitable screen, do nothing.
screen = currentScreen;
}
log.DebugFormat("current screen is {0}", currentScreen.DeviceName);
System.Windows.Forms.Screen masterWindowScreen = DpiUtil.GetScreenByHandle(masterWindow.GetHandle());
double currentRatio = 1;
double primaryRatio = 1;
uint currentScreenDpiX = 96;
uint currentScreenDpiY = 96;
uint primaryDpiX = 96;
uint primaryDpiY = 96;
try
{
DpiUtil.GetDpiByScreen(screen, out currentScreenDpiX, out currentScreenDpiY);
currentRatio = (double)currentScreenDpiX / 96;
DpiUtil.GetDpiByScreen(System.Windows.Forms.Screen.PrimaryScreen, out primaryDpiX, out primaryDpiY);
primaryRatio = (double)primaryDpiX / 96;
}
catch (DllNotFoundException e)
{
log.ErrorFormat("Can not load windows dll: {0}", e);
}
log.DebugFormat("```````1```{0}, {1}, {2}, {3}", window.Left, window.Top, window.Width, window.Height);
if (masterWindow.GetWindow().WindowState == WindowState.Minimized)
{
masterWindow.GetWindow().WindowState = WindowState.Normal;
}
double tempWidth = window.Width;
double tempHeight = window.Height;
if (currentScreen.DeviceName.Equals(System.Windows.Forms.Screen.PrimaryScreen.DeviceName))
{
log.DebugFormat("currentScreen in Primary");
window.Left = (screen.Bounds.Left / primaryRatio + (screen.Bounds.Width / primaryRatio - tempWidth) / 2);
window.Top = (screen.Bounds.Top / primaryRatio + (screen.Bounds.Height / primaryRatio - tempHeight) / 2);
}
else
{
log.DebugFormat("currentScreen in extend");
window.Left = (screen.Bounds.Left * currentRatio + (screen.Bounds.Width * currentRatio - tempWidth) / 2);
window.Top = (screen.Bounds.Top * currentRatio + (screen.Bounds.Height * currentRatio - tempHeight) / 2);
}
log.Info("Set window on suitable screen end.");
return(screen);
}