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   what is delegate:- A delegate is like a pointer to a function.  It is a reference type data type and it holds the reference of a method.  All the delegates are implicitly derived from  System.Delegate class. A function can have one or more parameters of different data types, but to pass a function as a parameter, delegate is used   Syntax:-       A delegate can be declared using  delegate  keyword followed by a function signature as       shown below. Delegate Syntax:           <access modifier> delegate <return type> <delegate_name>(<parameters>)    E.g:-         public delegate void Print( int value ); Example: C# delegate class Program {     // declare delegate     public delegate void Print( int value );     static void Main( string [] args)     {         // Print delegate points to PrintNumber         Print printDel = PrintNumber;                 // or         // Print printDel = new

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