/// <summary>
/// Call this method in main thread.
/// </summary>
/// <param name="causeNotFillScreen">The foreground window is not a full screen App because it doesn't fill the screen.
/// Otherwise, because it is Window Explorer or...</param>
/// <returns></returns>
private bool CheckHasFullScreenApp(out bool causeNotFillScreen)
{
causeNotFillScreen = false;
bool result;
IntPtr foreWindow = WinAPIWrapper.GetForegroundWindow();
WinAPIWrapper.GetWindowThreadProcessId(foreWindow, out uint processid);
String foreGroundWindowName = "";
try
{
foreGroundWindowName = Process.GetProcessById((int)processid).ProcessName;
//Console.WriteLine("foreGroundWindowName:" + foreGroundWindowName);
}
catch (Exception)
{
}
if (foreGroundWindowName != "explorer" && !foreWindow.Equals(new WindowInteropHelper(this).Handle))
{
IntPtr deskWindow = WinAPIWrapper.GetDesktopWindow();
if (!foreWindow.Equals(deskWindow) && !foreWindow.Equals(WinAPIWrapper.GetShellWindow()))
{
WinAPIWrapper.GetWindowRect(foreWindow, out RECT foreWindowRECT);
WinAPIWrapper.GetWindowRect(deskWindow, out RECT deskWindowRECT);
//Console.WriteLine("foreWindow RECT:" + foreWindowRECT);
//Console.WriteLine("deskWindow RECT:" + deskWindowRECT);
// Check whether foreground Window fills main screen.
result = foreWindowRECT.left <= deskWindowRECT.left &&
foreWindowRECT.top <= deskWindowRECT.top &&
foreWindowRECT.right >= deskWindowRECT.right &&
foreWindowRECT.bottom >= deskWindowRECT.bottom;
causeNotFillScreen = true;
}
else
{
// Foreground Window is DeskWindow or ShellWindow.
result = false;
}
}
else
{
// Foreground window is Windows Explorer or MainWindow itself.
result = false;
}
return(result);
}
private IntPtr WindowProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == uCallBackMsg)
{
if (wParam.ToInt32() == (int)ABNotify.ABN_FULLSCREENAPP)
{
bool hasFull = false;
if (lParam.ToInt32() == 1)
{
IntPtr foreWindow = WinAPIWrapper.GetForegroundWindow();
WinAPIWrapper.GetWindowThreadProcessId(foreWindow, out uint processid);
String foreGroundWindowName = "";
try
{
foreGroundWindowName = Process.GetProcessById((int)processid).ProcessName;
}
catch (Exception)
{
}
if (foreGroundWindowName != "explorer" && !foreWindow.Equals(new WindowInteropHelper(this).Handle))
{
IntPtr deskWindow = WinAPIWrapper.GetDesktopWindow();
if (!foreWindow.Equals(deskWindow) && !foreWindow.Equals(WinAPIWrapper.GetShellWindow()))
{
WinAPIWrapper.GetWindowRect(foreWindow, out RECT foreWindowRECT);
WinAPIWrapper.GetWindowRect(deskWindow, out RECT deskWindowRECT);
hasFull = foreWindowRECT.left <= deskWindowRECT.left &&
foreWindowRECT.top <= deskWindowRECT.top &&
foreWindowRECT.right >= deskWindowRECT.right &&
foreWindowRECT.bottom >= deskWindowRECT.bottom;
}
}
}
HideAllView(hasFull);
}
}
return(IntPtr.Zero);
}
