'宣言 Property C1SortDescriptions As DataGridColumnValue(Of DataGridSortDirection)()
DataGridColumnValue<DataGridSortDirection>[] C1SortDescriptions {get; set;}
'宣言 Property C1SortDescriptions As DataGridColumnValue(Of DataGridSortDirection)()
DataGridColumnValue<DataGridSortDirection>[] C1SortDescriptions {get; set;}