Vbnet-processing object events during runtime (addhandler and removehandler)

2. Addhandler is used to process events and events at runtime.ProgramAssociated
   Removehandler is used to remove the association between events and event handlers.
   The handles keyword is used to specify the specific event it processes when defining a process.
4. Signature:

   AddhandlerEvent, AddressofEventhandler

   Removehandler event, addressof eventhandler

5.  Code Demo
   
       1  Sub  Testeven TS ()  '  Test the event Process 
     2    Dim  OBJ  As     New  Class1  '  Associate an event handler with an event.  
     3   Addhandler  OBJ. ev_event,  Addressof  Eventhandler  '  Associated events and their handling  
     4  OBJ. causesomeevent ()  '  Events  
     5   Removehandler  OBJ. ev_event,  Addressof  Eventhandler  '  Remove Association.  
     6  OBJ. causesomeevent ()  '  Events  
     7  End sub 
     8  
     9  Sub  Eventhandler ()  '  Event handling process  
     10    Msgbox  (  "  Eventhandler caught event. "  )
     11  End sub  
     12  
     13  Public     Class  Class1  '  Contains the custom class of the event.  
     14    Public     Event  Ev_event ()  '  Event statement-Custom Event Process  
     15    Sub  Causesomeevent ()  '  The process of activating an event. 
     16    Raiseevent  Ev_event ()  '  Use raiseevent statements to activate events  
     17    End sub  
     18  End Class 
     19  
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