private AttachedThreadInputScope()
{
s_current.Value?.Dispose();
s_current.Value = this;
_foregroundWindow = WinApi.GetForegroundWindow();
_currentThreadId = WinApi.GetCurrentThreadId();
_foregroundThreadId = WinApi.GetWindowThreadProcessId(_foregroundWindow, out var _);
if (_currentThreadId != _foregroundThreadId)
{
// attach to the foreground thread
if (!WinApi.AttachThreadInput(_currentThreadId, _foregroundThreadId, true))
{
// unable to attach, see if the window is a Win10 Console Window
var className = new StringBuilder(capacity: 256);
WinApi.GetClassName(_foregroundWindow, className, className.Capacity - 1);
if (String.CompareOrdinal("ConsoleWindowClass", className.ToString()) != 0)
{
return;
}
// consider attached to a console window
}
}
_attached = true;
}
public static bool TryGetThirdPartyForgroundWindow(out IntPtr hwnd)
{
hwnd = IntPtr.Zero;
var foregroundWindow = WinApi.GetForegroundWindow();
var currentThreadId = WinApi.GetCurrentThreadId();
var foregroundThread = WinApi.GetWindowThreadProcessId(foregroundWindow, out var _);
if (currentThreadId == foregroundThread)
{
return(false);
}
else
{
var hwndRoot = WinApi.GetAncestor(foregroundWindow, WinApi.GA_ROOT);
if (hwndRoot != IntPtr.Zero)
{
foregroundWindow = hwndRoot;
}
var className = new StringBuilder(capacity: 256);
WinApi.GetClassName(foregroundWindow, className, className.Capacity - 1);
if (className.ToString().CompareTo("Shell_TrayWnd") == 0)
{
return(false);
}
hwnd = foregroundWindow;
return(true);
}
}
