code: func SetHandlePid(pid int32, args ...int32) {
  	var isHwnd int32
  	if len(args) > 0 {
  		isHwnd = args[0]
  	}
  
  	C.set_handle_pid_mData(C.uintptr(pid), C.uintptr(isHwnd))
  }
docs: // SetHandlePid set the window handle by pid