IAssemblyPostProcessor Interface

Reference

Definition

Namespace:: System.Web.Compilation

Assembly:: System.Web.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Defines the method a class implements to process an assembly after the assembly has been built.

public interface class IAssemblyPostProcessor : IDisposable

public interface IAssemblyPostProcessor : IDisposable

type IAssemblyPostProcessor = interface
    interface IDisposable

Public Interface IAssemblyPostProcessor
Implements IDisposable

Implements: IDisposable

Examples

The following code example demonstrates how to create an implementation of the IAssemblyPostProcessor interface, and register it in the Web.config file of a Web application.

The first part of the code example creates a class named Samples.Process.postProcessTest that implements the IAssemblyPostProcessor interface. This class performs the simple action of writing a file when the PostProcessAssembly method is called.

using System;
using System.Web.Compilation;
using System.IO;

namespace Samples.Process
{
    public class postProcessTest : IAssemblyPostProcessor
    {
        public static void Main(String[] args)
        {
        }

        public void PostProcessAssembly(string path)
        {
            StreamWriter sw = File.CreateText(@"c:\compile\MyTest.txt");
            sw.WriteLine("Compiled assembly:");
            sw.WriteLine(path);
            sw.Close();
        }

        public void Dispose()
        {
        }
    }
}

Imports System.Web.Compilation
Imports System.IO

Namespace Samples.Process
    Public Class postProcessTest
        Implements IAssemblyPostProcessor

        Sub Main()

        End Sub

        Public Sub PostProcessAssembly(ByVal path As String) _
            Implements IAssemblyPostProcessor.PostProcessAssembly
            Dim sw As StreamWriter
            sw = File.CreateText("c:\compile\MyTest.txt")
            sw.WriteLine("Compiled assembly:")
            sw.WriteLine(path)
            sw.Close()
        End Sub

        Public Sub Dispose() Implements IDisposable.Dispose

        End Sub
    End Class
End Namespace

Compile the class into a .dll file with the command csc /target:library postProcessTest.cs. Add the resulting .dll file to the Bin folder of an ASP.NET application and register the .dll in the Web.config file, as shown in the following code.

<compilation debug="true" assemblyPostProcessorType="Samples.Process.postProcessTest" />

When a user visits the Web site, the Web application is dynamically compiled and the file MyTest.txt will be written to C:\compile.

Remarks

A class implementing this interface can access an assembly after it has been compiled. The AssemblyBuilder class compiles assemblies and then checks to see whether an IAssemblyPostProcessor interface has been registered in the Web configuration file. If so, the AssemblyBuilder instance calls the PostProcessAssembly method for the IAssemblyPostProcessor interface to perform any action after the compilation and before loading the assembly. For example, a profiler tool could implement this interface to establish probes in the assembly.

When an IAssemblyPostProcessor interface is registered, the ASP.NET application and its assemblies will always be compiled in debug mode.

Methods

Dispose()	Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. (Inherited from IDisposable)
PostProcessAssembly(String)	Called before the assembly is loaded to allow the implementing class to modify the assembly.

Applies to

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