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VisualCollection.RemoveAt Method

Removes the visual object at the specified index in the VisualCollection.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

public void RemoveAt(
	int index
)

Parameters

index
Type: System.Int32

The zero-based index of the visual to remove.

ExceptionCondition
ArgumentOutOfRangeException

index is less than zero, or index is equal to or greater than Count.

The visual objects that follow the removed object are shifted to occupy the vacated position, and their index values are updated.

The RemoveAt method also removes the parent-child relationship between the parent visual, which is the owner of the VisualCollection, and the child visual.

If you need greater low-level control over the underlying storage implementation of visual child objects, consider using the AddVisualChild and RemoveVisualChild methods. When you use these methods, you define your own storage implementation, and do not use VisualCollection.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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