// Returns the name of the process owning the foreground window.
public static Process GetForegroundProcess()
{
IntPtr hwnd = NativeWin32.GetForegroundWindow();
// The foreground window can be NULL in certain circumstances,
// such as when a window is losing activation.
if (hwnd == null || hwnd == IntPtr.Zero)
{
return(null);
}
uint pid;
NativeWin32.GetWindowThreadProcessId(hwnd, out pid);
return(Process.GetProcesses().FirstOrDefault(p => p.Id == pid));
}