mcs/btests/DelegateA.vb

   1 Imports System
   2
   3 Module M
   4         Delegate Sub SD()
   5         sub f()
   6                 System.Console.WriteLine("s called")
   7         End sub
   8
   9         Public Delegate Function SF(a as integer) as Integer
  10         Public Function f1(a as integer) as Integer
  11                 System.Console.WriteLine("f1 called")
  12                 return a
  13         End Function
  14
  15         Public Function TD(d as SD) as Integer
  16                 d.Invoke()
  17         End Function
  18
  19         Sub Main()
  20                 dim d1 as SD
  21                 d1 = new SD(AddressOf f)
  22                 d1.Invoke()
  23
  24                 dim d2 as SD
  25                 d2 = AddressOf f
  26                 d2.Invoke()
  27
  28                 dim d3 as new SD(AddressOf f)
  29                 d3.Invoke()
  30
  31                 dim d4 as SF
  32                 d4 = new SF(AddressOf f1)
  33                 Dim i as Integer = d4.Invoke(10)
  34                 if i <> 10 then
  35                         Throw new System.Exception ("#A1, Unexpected result")
  36                 end if
  37
  38                 TD(AddressOf f)
  39
  40         End Sub
  41 End Module