Export (0) Print
Expand All
Expand Minimize

Compiler Error CS1728

Cannot bind delegate to 'member' because it is a member of 'type'

You cannot bind delegates to members of Nullable types.

The following sample generates CS1728:

// CS1728.cs
class Test
{
   delegate T GetT<T>();
   delegate T GetT1<T>(T t);

   delegate bool E(object o);
   delegate int I();
   delegate string S();

   static void Main()
   {
      int? x = null;
      int? y = 5;

      GetT<int> d1 = x.GetValueOrDefault;   // CS1728
      GetT<int> d2 = y.GetValueOrDefault;   // CS1728
      GetT1<int> d3 = x.GetValueOrDefault;   // CS1728
      GetT1<int> d4 = y.GetValueOrDefault;   // CS1728
   }
}

Community Additions

ADD
Show:
© 2014 Microsoft