RuntimeHelpers.PrepareContractedDelegate(Delegate) Method

Definition

Namespace:

System.Runtime.CompilerServices

Assemblies:

netstandard.dll, System.Runtime.dll

Source:

RuntimeHelpers.cs

Caution

The Constrained Execution Region (CER) feature is not supported.

Provides a way for applications to dynamically prepare AppDomain event delegates.

C#

[System.Obsolete("The Constrained Execution Region (CER) feature is not supported.", DiagnosticId="SYSLIB0004", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static void PrepareContractedDelegate(Delegate d);

Parameters

d

Delegate

The event delegate to prepare.

Attributes

ObsoleteAttribute

Remarks

AppDomain event delegates such as DomainUnload, ProcessExit, and UnhandledException are not automatically prepared at startup. You can use the following methods to prepare them:

• Attribute the method by using the PrePrepareMethodAttribute attribute.

• Attribute the method by using the ReliabilityContractAttribute attribute.

• Call the PrepareContractedDelegate method to dynamically prepare the delegate.

For more information, see the article Keep Your Code Running with the Reliability Features of the .NET Framework in the MSDN Magazine.

Applies to