SystemBackdrop.OnTargetDisconnected 方法

定義

命名空間:

Microsoft.UI.Xaml.Media

從其容器清除此物件時呼叫。

protected:
 virtual void OnTargetDisconnected(ICompositionSupportsSystemBackdrop ^ disconnectedTarget) = OnTargetDisconnected;

void OnTargetDisconnected(ICompositionSupportsSystemBackdrop const& disconnectedTarget);

protected virtual void OnTargetDisconnected(ICompositionSupportsSystemBackdrop disconnectedTarget);

function onTargetDisconnected(disconnectedTarget)

Protected Overridable Sub OnTargetDisconnected (disconnectedTarget As ICompositionSupportsSystemBackdrop)

參數

disconnectedTarget

ICompositionSupportsSystemBackdrop

底下的目標。

範例

如需完整範例，請參閱 SystemBackdrop 。

protected override void OnTargetDisconnected(ICompositionSupportsSystemBackdrop disconnectedTarget)
{
    base.OnTargetDisconnected(disconnectedTarget);

    micaController.RemoveSystemBackdropTarget(disconnectedTarget);
    micaController = null;
}

另請參閱

• OnTargetConnected(ICompositionSupportsSystemBackdrop, XamlRoot)