c# 调用外包程序 等待处理完成结果

string root = @"J:\yaoqianshu";
string pythonPath = "解压缩拷贝启动动画测试(新).py";
string ccccPath = "";
ProcessStartInfo myProcess = new ProcessStartInfo();
myProcess.WorkingDirectory = root;
myProcess.FileName = pythonPath;
Process ones =  Process.Start(myProcess);
Debug.WriteLine("开始运行");

ones.WaitForExit();

Debug.WriteLine("结束进程");