'宣言 Public Function New( _ ByVal column As UltraGridColumn, _ ByVal rows As RowsCollection, _ ByVal newCheckState As CheckState, _ ByVal currentCheckState As CheckState, _ ByVal isCancelable As Boolean _ )
public BeforeHeaderCheckStateChangedEventArgs( UltraGridColumn column, RowsCollection rows, CheckState newCheckState, CheckState currentCheckState, bool isCancelable )