Use 'is' to avoid an invalid cast. : Is : Operator C# Examples

Use 'is' to avoid an invalid cast.

    
using  System;  
  
class  A  {}  
class  B  :  A  {}  
  
class  CheckCast  {  
    public  static  void  Main()  {  
        A  a  =  new  A();  
        B  b  =  new  B();  
  
        if(a  is  B)
            b  =  (B)  a;  
    }  
}
    
   
  
   

Related in same category :
• Type operators
• is operator in class hiearchy
• Working with Interfaces
• Test if someObject is, or is derived from, a TextReader using the is operator
• 'is' operator for value data type
• Use is in Console.WriteLine