programming-examples/c-sharp/Delegates/C# Program to Use Delegate to Call 2 Methods within which First method Prints to Console and Second Method Prints to File..txt

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2019-11-15 12:59:38 +01:00
/*
* C# Program to Use Delegate to Call 2 Methods within which First method Prints to Console and Second Method Prints to File
*/
using System;
using System.IO;
namespace Program
{
class PrintString
{
static FileStream fs;
static StreamWriter sw;
public delegate void printString(string s);
public static void Screen(string str)
{
Console.WriteLine("The String is: {0}", str);
}
public static void File(string s)
{
fs = new FileStream("c:\\sri\\Message.txt",
FileMode.Append, FileAccess.Write);
sw = new StreamWriter(fs);
sw.WriteLine(s);
sw.Flush();
sw.Close();
fs.Close();
}
public static void sendString(printString ps)
{
ps("C# Program to Use Delegate to Call 2 Methods within which First method Prints to Console and Second Method Prints to File");
}
static void Main(string[] args)
{
printString ps1 = new printString(Screen);
printString ps2 = new printString(File);
sendString(ps1);
sendString(ps2);
Console.ReadKey();
}
}
}
/*
The String is : C# Program to Use Delegate to Call 2 Methods within which First method Prints to Console and Second Method Prints to File