MemberInfo.MetadataToken Property

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.NET Framework Class Library

MemberInfo.MetadataToken Property

Gets a value that identifies a metadata element.

Namespace:  System.Reflection
Assembly:  mscorlib (in mscorlib.dll)
public virtual int MetadataToken { get; }

Property Value

Type: System.Int32
A value which, in combination with Module, uniquely identifies a metadata element.
Exception Condition
InvalidOperationException

The current MemberInfo represents an array method, such as Address, on an array type whose element type is a dynamic type that has not been completed. To get a metadata token in this case, pass the MemberInfo object to the ModuleBuilder.GetMethodToken method; or use the ModuleBuilder.GetArrayMethodToken method to get the token directly, instead of using the ModuleBuilder.GetArrayMethod method to get a MethodInfo first.

The tokens obtained using this property can be passed to the unmanaged reflection API. For more information, please see Unmanaged Reflection API.

Note Note

Using the unmanaged reflection API requires familiarity with the Common Language Infrastructure (CLI) documentation, especially "Partition II: Metadata Definition and Semantics" and "Partition III: CIL Instruction Set". The documentation is available online; see ECMA C# and Common Language Infrastructure Standards on MSDN and Standard ECMA-335 - Common Language Infrastructure (CLI) on the Ecma International Web site.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.
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comment addressed please remove

This property can throw InvalidOperationException

System.InvalidOperationException: Operation is not valid due to the current state of the object.
at System.Reflection.MemberInfo.get_MetadataToken()

10/28/2011