SafeRegistryHandle.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 / ndp / clr / src / BCL / Microsoft / Win32 / SafeHandles / SafeRegistryHandle.cs / 1305376 / SafeRegistryHandle.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
//
// File: SafeRegistryHandle.cs 
// 
// [....]
// 
// Implements Microsoft.Win32.SafeHandles.SafeRegistryHandle
//
// ======================================================================================
#if !FEATURE_PAL 
namespace Microsoft.Win32.SafeHandles {
    using System; 
    using System.Security; 
    using System.Security.Permissions;
    using System.Runtime.InteropServices; 
    using System.Runtime.CompilerServices;
    using System.Runtime.ConstrainedExecution;
    using System.Runtime.Versioning;
 
    [System.Security.SecurityCritical]
    public sealed class SafeRegistryHandle : SafeHandleZeroOrMinusOneIsInvalid { 
        [System.Security.SecurityCritical] 
        internal SafeRegistryHandle() : base(true) {}
 
        [System.Security.SecurityCritical]
        public SafeRegistryHandle(IntPtr preexistingHandle, bool ownsHandle) : base(ownsHandle) {
            SetHandle(preexistingHandle);
        } 

        [System.Security.SecurityCritical] 
        override protected bool ReleaseHandle() { 
            return (RegCloseKey(handle) == Win32Native.ERROR_SUCCESS);
        } 

        [DllImport(Win32Native.ADVAPI32),
         SuppressUnmanagedCodeSecurity,
         ResourceExposure(ResourceScope.None), 
         ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
        internal static extern int RegCloseKey(IntPtr hKey); 
    } 
}
#endif // !FEATURE_PAL 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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