Protected Sub OnPropertyChanged( _
   ByVal propertyName As String _
) 

Dim instance As ObservableResource(Of T)
Dim propertyName As String
 
instance.OnPropertyChanged(propertyName)

protected void OnPropertyChanged( 
   string propertyName
)

protected procedure OnPropertyChanged( 
    propertyName: String
); 

protected function OnPropertyChanged( 
   propertyName : String
);

protected: void OnPropertyChanged( 
   string* propertyName
) 

protected:
void OnPropertyChanged( 
   String^ propertyName
)