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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
//
// File: SafeRegistryHandle.cs
//
// <OWNER>Microsoft</OWNER>
//
// Implements Microsoft.Win32.SafeHandles.SafeRegistryHandle
//
// ======================================================================================
#if !FEATURE_PAL || MONO
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);
}
#if MOBILE
override protected bool ReleaseHandle() {
return true;
}
#else
[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
}
}
#endif // !FEATURE_PAL
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