示例#1
0
        static void Main(string[] args)
        {
            ClassString str = new ClassString();

            str.FormatString("Hello, guys!");
            Console.WriteLine(str.text);
        }
 public static void FormatString(this ClassString classString, string str)
 {
     str = str.Substring(0, 5);
     str = String.Concat(str, "...");
     classString.text = str;
 }