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RemoveHandler Statement

Removes the association between an event and an event handler.

RemoveHandler event, AddressOf eventhandler

Parts

event
The name of the event being handled.
eventhandler
The name of the procedure currently handling the event.

Remarks

The AddHandler and RemoveHandler statements allow you to start and stop event handling for a specific event at any time during program execution.

Example

Sub TestEvents()
   Dim Obj As New Class1()
   ' Associate an event handler with an event.
   AddHandler Obj.Ev_Event, AddressOf EventHandler
   Obj.CauseSomeEvent() ' Ask the object to raise an event.
   RemoveHandler Obj.Ev_Event, AddressOf EventHandler ' Stop handling events.
   Obj.CauseSomeEvent() ' This event will not be handled.
End Sub

   Sub EventHandler()
      MsgBox("EventHandler caught event.") ' Handle the event.
   End Sub

Public Class Class1
   Public Event Ev_Event()  ' Declare an event.
   Sub CauseSomeEvent()
      RaiseEvent Ev_Event() ' Raise an event.
   End Sub
End Class

See Also

AddHandler Statement | Handles | Events and Event Handlers | AddHandler and RemoveHandler

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