![](dotnetdiagramimages/GrapeCity_WPF_SpreadGrid_GrapeCity_Windows_SpreadGrid_SpreadSortDescriptionCollection.png)
'宣言
Public Class SpreadSortDescriptionCollection Inherits GrapeCity.Windows.SpreadGrid.SpreadCollection(Of SpreadSortDescription)
public class SpreadSortDescriptionCollection : GrapeCity.Windows.SpreadGrid.SpreadCollection<SpreadSortDescription>
System.Object
GrapeCity.Windows.SpreadGrid.SpreadCollection<T>
GrapeCity.Windows.SpreadGrid.SpreadSortDescriptionCollection