Gets or sets the name of the property (or properties) used to generate child items in hierarchical data. Set this property to a string to specify the name of the property that contains an item's child items (e.g. Items). If items at different levels child items with different names, then set this property to an array containing the names of the properties. that contains child items at each level. (e.g. "accounts,checks,earnings")

'宣言
 
Public Property ChildItemsPath As System.String

public System.string ChildItemsPath {get; set;}