C# (CSharp) CSharpProfessional Ch7示例

示例#1

        private static void TestReferenceEquals()
        {
            Ch7 x, y;

            x = new Ch7();
            y = new Ch7();

            bool B1 = ReferenceEquals(null, null); // returns true
            bool B2 = ReferenceEquals(null, x);    // returns false
            bool B3 = ReferenceEquals(x, y);       // returns false because x and y point to different objects
        }

示例#2

文件： Ch7.cs 项目： hong-rong/MyRepository

        private static void TestReferenceEquals()
        {
            Ch7 x, y;
            x = new Ch7();
            y = new Ch7();

            bool B1 = ReferenceEquals(null, null); // returns true
            bool B2 = ReferenceEquals(null, x); // returns false
            bool B3 = ReferenceEquals(x, y); // returns false because x and y point to different objects
        }