homework

Week9/CS_Delegate/.history/Program_20220118094900.cs

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+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");

Week9/CS_Delegate/.history/Program_20220118095505.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118095548.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            log = info;
+            log("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118095617.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            log = Info;
+            log("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118095648.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            log = Info;
+            log("Hello");
+            log.Invoke("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118095744.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            // log = Info;
+            log("Hello");
+            log.Invoke("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118095749.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            log = Info;
+            log("Hello");
+            log.Invoke("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118095938.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Warning(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            log = Info;
+            log("Hello");
+            log.Invoke("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118095957.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Warning(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            log = Info;
+            log("Hello");
+            log.Invoke("Hello");
+
+            log = Warning;
+            log("warning");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118100131.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Warning(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            // ShowLog log = null;
+            // log = Info;
+            // log("Hello");
+            // log.Invoke("Hello");
+
+            // log = Warning;
+            // log("warning");
+
+            log += Info;
+            log += Warning;
+            log?.Invoke("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118100138.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Warning(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            // log = Info;
+            // log("Hello");
+            // log.Invoke("Hello");
+
+            // log = Warning;
+            // log("warning");
+
+            log += Info;
+            log += Warning;
+            log?.Invoke("Hello");
+
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118100611.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Warning(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            // log = Info;
+            // log("Hello");
+            // log.Invoke("Hello");
+
+            // log = Warning;
+            // log("warning");
+
+            log += Info;
+            log += Warning;
+            log?.Invoke("Hello");
+
+
+            Action action; //delegate void Kieu();
+            Action<string> action1; //delegate void Kieu(string s); 
+            Action<string, int> action2; //delegate void Kieu(string s, int i);
+
+            action2 = Warning;
+            action2 += Info;
+
+            action2?.Invoke("Hello");
+        }
+    }
+}

Week9/CS_Delegate/.history/Program_20220118100627.cs

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+namespace CS_Delegate
+{
+    public delegate void ShowLog(string message);
+
+    class Program
+    {
+
+        static void Info(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Warning(string s)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine("Info: {0}", s);
+            Console.ResetColor();
+        }
+        static void Main(string[] args)
+        {
+
+            ShowLog log = null;
+            // log = Info;
+            // log("Hello");
+            // log.Invoke("Hello");
+
+            // log = Warning;
+            // log("warning");
+
+            log += Info;
+            log += Warning;
+            log?.Invoke("Hello");
+
+
+            Action action; //delegate void Kieu();
+            Action<string> action1; //delegate void Kieu(string s); 
+            Action<string, int> action2; //delegate void Kieu(string s, int i);
+
+            action1 = Warning;
+            action1 += Info;
+
+            action2?.Invoke("Hello");
+        }
+    }
+}