ListCollectionView.GroupDescriptions 屬性

定義

命名空間:

System.Windows.Data

組件:

PresentationFramework.dll

取得 GroupDescription 物件的集合，這些物件會描述如何在檢視中分組集合內的項目。

public:
 virtual property System::Collections::ObjectModel::ObservableCollection<System::ComponentModel::GroupDescription ^> ^ GroupDescriptions { System::Collections::ObjectModel::ObservableCollection<System::ComponentModel::GroupDescription ^> ^ get(); };

public override System.Collections.ObjectModel.ObservableCollection<System.ComponentModel.GroupDescription> GroupDescriptions { get; }

member this.GroupDescriptions : System.Collections.ObjectModel.ObservableCollection<System.ComponentModel.GroupDescription>

Public Overrides ReadOnly Property GroupDescriptions As ObservableCollection(Of GroupDescription)

屬性值

ObservableCollection<GroupDescription>

GroupDescription 物件的集合，這些物件會描述如何在檢視中分組集合內的項目。

範例

下列範例示範如何使用這個屬性：

// This groups the items in the view by the property "Category"
PropertyGroupDescription groupDescription = new PropertyGroupDescription();
groupDescription.PropertyName = "Category";
listingDataView.GroupDescriptions.Add(groupDescription);

'This groups by property "Category"
Dim groupDescription As PropertyGroupDescription = New PropertyGroupDescription
groupDescription.PropertyName = "Category"
listingDataView.GroupDescriptions.Add(groupDescription)

如需完整範例，請參閱 資料系結示範。

備註

注意

這個屬性只能藉由存取集合物件並使用其各種方法來設定，例如 Add 。 存取集合物件本身的屬性是唯讀的;集合本身是可讀寫的。

另請參閱

• GroupBySelector