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//------------------------------------------------------------------------------
// <copyright file="GacUtil.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Configuration {
using System.Web.Configuration;
using System.Runtime.InteropServices;
using System.Security.Permissions;
/*
class for installing ASP.BrowserCapabilitiesFactory into gac
*/
internal sealed class GacUtil : IGac {
[SecurityPermission(SecurityAction.Demand, UnmanagedCode = true)]
public void GacInstall(string assemblyPath) {
#if !FEATURE_PAL
IAssemblyCache ac = null;
int hr = NativeMethods.CreateAssemblyCache(out ac, 0);
if (0 == hr) hr = ac.InstallAssembly(0, assemblyPath, IntPtr.Zero);
#else // !FEATURE_PAL
int hr = -1;
try
{
Process gacutilprocess = new System.Diagnostics.Process();
if (gacutilprocess != null)
{
gacutilprocess.StartInfo.CreateNoWindow = true;
#if PLATFORM_UNIX
gacutilprocess.StartInfo.FileName = "gacutil";
#else
gacutilprocess.StartInfo.FileName = "gacutil.exe";
#endif
gacutilprocess.StartInfo.UseShellExecute = false;
gacutilprocess.StartInfo.Arguments = "/i " + assemblyPath;
gacutilprocess.Start();
while (!gacutilprocess.HasExited)
{
Thread.Sleep(250);
}
hr = gacutilprocess.ExitCode;
}
}
catch (Exception)
{
hr = -1;
}
#endif // FEATURE_PAL
if (0 != hr) {
throw new Exception(SR.GetString(SR.Failed_gac_install));
}
}
[SecurityPermission(SecurityAction.Demand, UnmanagedCode = true)]
public bool GacUnInstall(string assemblyName) {
IAssemblyCache ac = null;
uint position = 0;
int hr = NativeMethods.CreateAssemblyCache(out ac, 0);
if (0 == hr) {
hr = ac.UninstallAssembly(0, assemblyName, IntPtr.Zero, out position);
if (position == 3 /*IASSEMBLYCACHE_UNINSTALL_DISPOSITION_ALREADY_UNINSTALLED*/) {
return false;
}
}
if (0 != hr) {
throw new Exception(SR.GetString(SR.Failed_gac_uninstall));
}
return true;
}
}
}
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