1  
   2  // produces a "blank" GUID: '00000000-0000-0000-0000-000000000000'
   3  System.Guid blankGuid = new System.Guid(); 
   4  
   5  // produces a new, unique GUID: '96d36892-6eed-400c-91f8-a194f3522fae'
   6  System.Guid desiredGuid = System.Guid.NewGuid(); 

   1  
   2  
   3  class Myambiguous {
   4      //The first overload is typed to an Int32
   5      public static void Mymethod (Int32 number){
   6         Console.Write("\n{0}", "I am from Int32 method");
   7      }
   8  
   9      //The second overload is typed to a string
  10      public static void Mymethod (string alpha) {
  11         Console.Write("\n{0}", "I am from a string.");
  12      }
  13      
  14      public static void Main() {
  15          try {
  16              //The following does not cause as exception
  17              Mymethod (2);  // goes to Mymethod (Int32)
  18              Mymethod ("3");   // goes to Mymethod (string)
  19  
  20              Type Mytype = Type.GetType("Myambiguous");
  21  
  22              MethodInfo Mymethodinfo32 = Mytype.GetMethod("Mymethod", new Type[]{typeof(Int32)});
  23              MethodInfo Mymethodinfostr = Mytype.GetMethod("Mymethod", new Type[]{typeof(System.String)});
  24  
  25              //Invoke a method, utilizing a Int32 integer
  26              Mymethodinfo32.Invoke(null, new Object[]{2});
  27  
  28              //Invoke the method utilizing a string
  29              Mymethodinfostr.Invoke(null, new Object[]{"1"});
  30  
  31              //The following line causes an ambiguious exception
  32              MethodInfo Mymethodinfo = Mytype.GetMethod("Mymethod");
  33          }  // end of try block
  34    
  35          catch(System.Reflection.AmbiguousMatchException theException) {
  36              Console.Write("\nAmbiguousMatchException message - {0}", theException.Message);
  37          }
  38          catch {
  39              Console.Write("\nError thrown");
  40          }
  41          return;
  42      }
  43  }
  44   
  45   //This code produces the following output:
  46   //I am from Int32 method
  47   //I am from a string.
  48   //I am from Int32 method
  49   //I am from a string.
  50   //AmbiguousMatchException message - Ambiguous match found.
  51