Makes this instance of ThicknessKeyFrameCollection read-only or determines whether it can be made read-only.
Assembly: PresentationFramework (in PresentationFramework.dll)
- Type: System.Boolean
true to check if this instance can be frozen; false to freeze this instance.
Return ValueType: 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.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.