Invoke methods using reflection : Method : Reflection C# Examples

    
using  System;  
using  System.Reflection;  
  
class  MyClass  {  

  
    public  MyClass(int  i,  int  j)  {  

        Console.WriteLine("MyClass(int  i,  int  j)");
        Console.WriteLine(i);
        Console.WriteLine(j);
    }  
  
    public  int  sum()  {  
        Console.WriteLine("sum");
        return  0;  
    }  
  
    public  bool  isBetween(int  i)  {  
        Console.WriteLine("isBetween");
        return  false;  
    }  
  
    public  void  set(int  a,  int  b)  {  
        Console.Write("Inside  set(int,  int).  ");  
    }  
  
    public  void  set(double  a,  double  b)  {  
        Console.Write("Inside  set(double,  double).  ");  
    }  
  
    public  void  show()  {  
        Console.WriteLine("show");  
    }  
}  
  
class  MainClass  {  
    public  static  void  Main()  {  
        Type  t  =  typeof(MyClass);      
        MyClass  reflectOb  =  new  MyClass(10,  20);  
        int  val;  
  
        Console.WriteLine("Invoking  methods  in  "  +  t.Name);          
        Console.WriteLine();  
        MethodInfo[]  mi  =  t.GetMethods();  
  
        //  Invoke  each  method.  
        foreach(MethodInfo  m  in  mi)  {  
            //  Get  the  parameters.  
            ParameterInfo[]  pi  =  m.GetParameters();  
  
            if(m.Name.CompareTo("set")==0  &&  
                  pi[0].ParameterType  ==  typeof(int))  {  
                object[]  args  =  new  object[2];  
                args[0]  =  9;  
                args[1]  =  18;  
                m.Invoke(reflectOb,  args);  
            }  
            else  if(m.Name.CompareTo("set")==0  &&  
                  pi[0].ParameterType  ==  typeof(double))  {  
                object[]  args  =  new  object[2];  
                args[0]  =  1.12;  
                args[1]  =  23.4;  
                m.Invoke(reflectOb,  args);  
            }  
            else  if(m.Name.CompareTo("sum")==0)  {  
                val  =  (int)  m.Invoke(reflectOb,  null);  
                Console.WriteLine("sum  is  "  +  val);  
            }  
            else  if(m.Name.CompareTo("isBetween")==0)  {  
                object[]  args  =  new  object[1];  
                args[0]  =  14;  
                if((bool)  m.Invoke(reflectOb,  args))  
                    Console.WriteLine("14  is  between  x  and  y");  
            }  
            else  if(m.Name.CompareTo("show")==0)  {  
                m.Invoke(reflectOb,  null);  
            }  
        }  
    }  
}