def Start(self):
    if (self.window is not None):
        try:
            self.window.PostMessage(self.UWM_START, 0, 0)
        except:
            pass
def Start(self):
    if (self.window is not None):
        try:
            self.window.PostMessage(self.UWM_START, 0, 0)
        except:
            pass