public static int GetAForegroundApplicationProcessId()
{
IntPtr foregroundWindow = InteropWindow.GetForegroundWindow();
if (foregroundWindow == IntPtr.Zero)
{
return(0);
}
uint ProcessId = 0;
int windowThreadProcessId = (int)InteropWindow.GetWindowThreadProcessId(foregroundWindow, ref ProcessId);
return((int)ProcessId);
}
public static bool ForceSetForegroundWindow(IntPtr h)
{
if (h == IntPtr.Zero)
{
return(false);
}
IntPtr foregroundWindow = InteropWindow.GetForegroundWindow();
if (foregroundWindow == IntPtr.Zero)
{
return(InteropWindow.SetForegroundWindow(h));
}
if (h == foregroundWindow)
{
return(true);
}
uint ProcessId = 0;
uint windowThreadProcessId = InteropWindow.GetWindowThreadProcessId(foregroundWindow, ref ProcessId);
uint currentThreadId = InteropWindow.GetCurrentThreadId();
if ((int)currentThreadId == (int)windowThreadProcessId)
{
return(InteropWindow.SetForegroundWindow(h));
}
if (windowThreadProcessId != 0U)
{
if (!InteropWindow.AttachThreadInput(currentThreadId, windowThreadProcessId, true))
{
return(false);
}
if (!InteropWindow.SetForegroundWindow(h))
{
InteropWindow.AttachThreadInput(currentThreadId, windowThreadProcessId, false);
return(false);
}
InteropWindow.AttachThreadInput(currentThreadId, windowThreadProcessId, false);
}
return(true);
}
