46 lines
1.2 KiB
Plaintext
46 lines
1.2 KiB
Plaintext
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/*
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* C# Program to Implement Principles of Delegates
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*/
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using System;
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class Program
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{
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delegate string UppercaseDelegate(string input);
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static string UppercaseFirst(string input)
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{
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char[] buffer = input.ToCharArray();
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buffer[0] = char.ToUpper(buffer[0]);
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return new string(buffer);
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}
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static string UppercaseLast(string input)
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{
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char[] buffer = input.ToCharArray();
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buffer[buffer.Length - 1] = char.ToUpper(buffer[buffer.Length - 1]);
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return new string(buffer);
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}
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static string UppercaseAll(string input)
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{
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return input.ToUpper();
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}
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static void WriteOutput(string input, UppercaseDelegate del)
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{
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Console.WriteLine("Input String: {0}", input);
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Console.WriteLine("Output String: {0}", del(input));
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}
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static void Main()
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{
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WriteOutput("tom ", new UppercaseDelegate(UppercaseFirst));
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WriteOutput("tom", new UppercaseDelegate(UppercaseLast));
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WriteOutput("tom", new UppercaseDelegate(UppercaseAll));
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Console.ReadLine();
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}
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}
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/*
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Input String: tom
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Output String: Tom
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Input String: tom
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Output String: toM
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Input String: tom
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Output String: TOM
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