public delegate void DataSourceRowExpansionChangedHandler( object sender, DataSourceRowExpansionChangedEventArgs args )
'宣言 Public Delegate Sub DataSourceRowExpansionChangedHandler( _ ByVal sender As Object, _ ByVal args As DataSourceRowExpansionChangedEventArgs _ )
DataSourceRowExpansionChangedHandler メンバ Infragistics.Win.DataVisualization.DataSource 名前空間