XamlDirect.RemoveFromCollection(IXamlDirectObject, IXamlDirectObject) Metode

Referensi

Definisi

Ruang nama:: Windows.UI.Xaml.Core.Direct

Penting

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Edit

Mencoba menghapus nilai dari koleksi IXamlDirectObject yang ditentukan.

public:
 virtual bool RemoveFromCollection(IXamlDirectObject ^ xamlDirectObject, IXamlDirectObject ^ value) = RemoveFromCollection;

bool RemoveFromCollection(IXamlDirectObject const& xamlDirectObject, IXamlDirectObject const& value);

public bool RemoveFromCollection(IXamlDirectObject xamlDirectObject, IXamlDirectObject value);

function removeFromCollection(xamlDirectObject, value)

Public Function RemoveFromCollection (xamlDirectObject As IXamlDirectObject, value As IXamlDirectObject) As Boolean

Parameter

xamlDirectObject: IXamlDirectObject

Mengacu pada koleksi IXamlDirectObject tertentu.

value: IXamlDirectObject

Mengacu pada nilai IXamlDirectObject untuk dihapus dari koleksi.

Mengembalikan

Boolean

bool

true jika ada nilai. false jika nilai tidak ada.

Contoh

Contoh berikut menunjukkan cara menghapus nilai dari koleksi menggunakan API XamlDirect .

XamlDirect xd = XamlDirect.GetDefault();

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

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

IXamlDirectObject button = xd.CreateInstance(XamlTypeIndex.Button);
xd.AddToCollection(childrenCollection, button);

xd.RemoveFromCollection(childrenCollection, button); // Should return true
xd.RemoveFromCollection(childrenCollection, button); // Should return false

XamlDirect^ xd = XamlDirect::GetDefault();

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

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

IXamlDirectObject^ button = xd->CreateInstance(XamlTypeIndex::Button);
xd->AddToCollection(childrenCollection, button);

xd->RemoveFromCollection(childrenCollection, button); // Should return true
xd->RemoveFromCollection(childrenCollection, button); // Should return false

Berlaku untuk

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