Public Delegate Function SetItemValue( _
   ByVal AppItemHandle As Integer, _
   ByVal newValue As Object, _
   ByVal quality As Short, _
   ByVal timestamp As Date _
) As Integer

Dim instance As New SetItemValue(AddressOf HandlerMethod)

public delegate int SetItemValue( 
   int AppItemHandle,
   object newValue,
   short quality,
   DateTime timestamp
)

public: __gc __delegate int SetItemValue( 
   int AppItemHandle,
   Object* newValue,
   short quality,
   DateTime timestamp
)

public delegate int SetItemValue( 
   int AppItemHandle,
   Object^ newValue,
   short quality,
   DateTime timestamp
)