public void FooBar_123_Succeeds()
        {
            // arrange
            MyClass target = new MyClass();
            var expected = "123";
            var testNumber = 123;

            // act
            var actual = target.FooBar (testNumber);

            //assert
            Assert.AreEqual (expected, actual);
        }
public Form1()                                          //Form1窗体构造函数
{
    InitializeComponent();                              //窗体初始化函数
    MyClass myClass = new MyClass();                    //实例化MyClass类
    myClass.HelloWorld();                               //调用MyClass类的HelloWorld方法
}