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MatrixKeyFrameCollection.FreezeCore Method

Makes this instance of MatrixKeyFrameCollection unmodifiable or determines whether it can be made unmodifiable.

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

protected override bool FreezeCore(
	bool isChecking
)

Parameters

isChecking
Type: System.Boolean

true if this method should simply determine whether this instance can be frozen. false if this instance should actually freeze itself when this method is called.

Return Value

Type: System.Boolean
If isChecking is true, this method returns true if this instance can be made read-only, or false if it cannot be made read-only. If isChecking is false, this method returns true if this instance is now read-only, or false if it cannot be made read-only, with the side effect of having begun to change the frozen status of this object.

.NET Framework

Supported in: 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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