IXamlDirect.RemoveFromCollectionAt(Object, UInt32) Metode

Definisi

Ruang nama:

Microsoft.UI.Xaml.Core.Direct

Mencoba menghapus nilai dari koleksi IXamlDirect pada indeks yang ditentukan.

Dokumentasi ini berlaku untuk WinUI 2 untuk UWP (untuk WinUI di SDK Aplikasi Windows, lihat namespace SDK Aplikasi Windows).

public:
 void RemoveFromCollectionAt(Platform::Object ^ xamlDirectObject, unsigned int index);

void RemoveFromCollectionAt(IInspectable const& xamlDirectObject, uint32_t const& index);

public void RemoveFromCollectionAt(object xamlDirectObject, uint index);

Public Sub RemoveFromCollectionAt (xamlDirectObject As Object, index As UInteger)

Parameter

xamlDirectObject

Object

Platform::Object

IInspectable

Mengacu pada koleksi IXamlDirect tertentu.

index

UInt32

unsigned int

uint32_t

Mengacu pada indeks dalam koleksi tempat nilai harus dihapus.

Contoh

Contoh berikut menunjukkan cara menghapus nilai dari indeks tertentu menggunakan API XamlDirect .

XamlDirect xd = XamlDirect.GetDefault();

IXamlDirect relativePanel = xd.CreateInstance(XamlTypeIndex.RelativePanel);

IXamlDirect childrenCollection = xd.GetXamlDirectObjectProperty(relativePanel, XamlPropertyIndex.Panel_Children);

xd.RemoveFromCollectionAt(childrenCollection, 0);

XamlDirect^ xd = XamlDirect::GetDefault();

IXamlDirect^ relativePanel = xd->CreateInstance(XamlTypeIndex::RelativePanel);

IXamlDirect^ childrenCollection = xd->GetXamlDirectObjectProperty(relativePanel, XamlPropertyIndex::Panel_Children);

xd->RemoveFromCollectionAt(childrenCollection, 0);

Lihat juga

• InsertIntoCollectionAt(Object, UInt32, Object)
• AddToCollection(Object, Object)
• RemoveFromCollection(Object, Object)
• ClearCollection(Object)