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CompressedStack Class

Provides methods for setting and capturing the compressed stack on the current thread. This class cannot be inherited.

System.Object
  System.Threading.CompressedStack

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)
[SerializableAttribute]
public sealed class CompressedStack : ISerializable

The CompressedStack type exposes the following members.

  NameDescription
Public methodStatic memberCaptureCaptures the compressed stack from the current thread.
Public methodCreateCopyCreates a copy of the current compressed stack.
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Public methodStatic memberGetCompressedStackInfrastructure. Gets the compressed stack for the current thread.
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetObjectDataSets the SerializationInfo object with the logical context information needed to recreate an instance of this execution context.
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodStatic memberRunRuns a method in the specified compressed stack on the current thread.
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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The compressed stack is a compact representation of all the code access security information on the call stack, such as Deny and Assert actions. For example, if a Deny action is two stack frames up from the current frame and there are no other code access security annotations between there and the current frame, the compressed stack records only that information, without having to serialize the entire call stack.

The CompressedStack class is used internally by the SecurityContext class. For example, the SecurityContext.Capture method captures the compressed stack for the current call stack, along with impersonation and culture information. The SecurityContext class is used in turn by the ExecutionContext class to flow context across threads, for example when scheduling thread pool tasks.

This class is not used in ordinary application programming.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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