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//------------------------------------------------------------------------------
// <copyright file="ICustomLoader.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Hosting {
using System;
using System.Runtime.InteropServices;
using System.Runtime.Remoting;
/*
* !! USAGE NOTE !!
* This interface is not exposed publicly because it is expected that Helios developers will consume the
* no-PIA interfaces that will be released OOB. This interface only exists so that ASP.NET can interface
* with the Helios layer if necessary. These interfaces are subject to change.
*/
/// <summary>
/// Defines the entry point where the Helios hoster calls into the developer-provided bootstrapper.
/// The developer's bin-deployed AspNet.Loader assembly is expected to have an assembly-level
/// CustomLoaderAttribute whose ctor parameter is a type which implements this interface.
/// </summary>
[ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("50A3CE65-2F9F-44E9-9094-32C6C928F966")]
internal interface ICustomLoader {
/// <summary>
/// Loads a custom runtime for the current application.
/// </summary>
/// <param name="appId">The ID of the current application (e.g., IHttpApplication::GetApplicationId).</param>
/// <param name="appConfigPath">The configuration path of the current application (e.g., IHttpApplication::GetAppConfigPath).</param>
/// <param name="supportFunctions">Support functions for the current host.</param>
/// <param name="pLoadAppData">Additional data that may be useful to a custom loader for integrating with the IIS pipeline.
/// This pointer is only valid within the call to LoadApplication.</param>
/// <param name="loadAppDataSize">The size (in bytes) of the structure pointed to by pLoadAppData.</param>
/// <returns>An ICustomRuntime instance wrapped inside an ObjectHandle.</returns>
[return: MarshalAs(UnmanagedType.Interface)]
IObjectHandle LoadApplication(
[In, MarshalAs(UnmanagedType.LPWStr)] string appId,
[In, MarshalAs(UnmanagedType.LPWStr)] string appConfigPath,
[In, MarshalAs(UnmanagedType.Interface)] IProcessHostSupportFunctions supportFunctions,
[In] IntPtr pLoadAppData,
[In] int loadAppDataSize);
}
}
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