Registry.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Shared / MS / Internal / Registry.cs / 1606164 / Registry.cs
                        

                        
                            using System; 
using MS.Internal;
using MS.Internal.WindowsBase;
using System.Security;
using System.Security.Permissions; 
using Microsoft.Win32;
 
//****** 
// Keep in [....] with host\Inc\Registry.hxx
 
namespace MS.Internal
{
    [FriendAccessAllowed]
    internal static class RegistryKeys 
    {
        internal const string 
            WPF = @"Software\Microsoft\.NETFramework\Windows Presentation Foundation", 

            WPF_Features = WPF+"\\Features", 
                value_MediaImageDisallow = "MediaImageDisallow",
                value_MediaVideoDisallow = "MediaVideoDisallow",
                value_MediaAudioDisallow = "MediaAudioDisallow",
                value_WebBrowserDisallow = "WebBrowserDisallow", 
                value_ScriptInteropDisallow = "ScriptInteropDisallow",
                value_AutomationWeakReferenceDisallow = "AutomationWeakReferenceDisallow", 
 
            WPF_Hosting = WPF+"\\Hosting",
                value_DisableXbapErrorPage = "DisableXbapErrorPage", 
                value_UnblockWebBrowserControl = "UnblockWebBrowserControl",

            HKCU_XpsViewer = @"HKEY_CURRENT_USER\Software\Microsoft\XPSViewer",
                value_IsolatedStorageUserQuota = "IsolatedStorageUserQuota", 
            HKLM_XpsViewerLocalServer32 = "HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\CLSID\\{7DDA204B-2097-47C9-8323-C40BB840AE44}\\LocalServer32",
 
            HKLM_IetfLanguage = @"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\IetfLanguage", 
            // These constants are cloned in
            // wpf\src\Shared\Cpp\Utils.cxx 
            // Should these reg keys change the above file should be also modified to reflect that.
            FRAMEWORK_RegKey  = @"Software\Microsoft\Net Framework Setup\NDP\v4\Client\",
            FRAMEWORK_RegKey_FullPath  = @"HKEY_LOCAL_MACHINE\" + FRAMEWORK_RegKey,
            FRAMEWORK_InstallPath_RegValue = "InstallPath"; 

        ///  
        /// Critical: Reads an arbitrary registry key. 
        /// 
        [SecurityCritical] 
        internal static bool ReadLocalMachineBool(string key, string valueName)
        {
            string keyPath = "HKEY_LOCAL_MACHINE\\" + key;
            new RegistryPermission(RegistryPermissionAccess.Read, keyPath).Assert(); 
            object value = Registry.GetValue(keyPath, valueName, null);
            return value is int && (int)value != 0; 
        } 
    };
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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