58 lines
2.0 KiB
C#
58 lines
2.0 KiB
C#
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//
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// Microsoft.Win32.SafeHandles.SafeRegistryHandle
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//
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// Author
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// Gonzalo Paniagua Javier (gonzalo@novell.com)
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//
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// Copyright (C) 2010 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if NET_4_0
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Runtime.ConstrainedExecution;
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namespace Microsoft.Win32.SafeHandles {
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public sealed class SafeRegistryHandle : SafeHandleZeroOrMinusOneIsInvalid, IDisposable {
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public SafeRegistryHandle (IntPtr preexistingHandle, bool ownsHandle) : base (ownsHandle)
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{
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handle = preexistingHandle;
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}
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protected override bool ReleaseHandle ()
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{
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// Need to release an unmanaged pointer *only* in Windows.
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if (Path.DirectorySeparatorChar == '\\')
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return RegCloseKey (handle) == 0;
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return true;
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}
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[DllImport ("advapi32.dll", CharSet = CharSet.Unicode, EntryPoint="RegCloseKey")]
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static extern int RegCloseKey (IntPtr keyHandle);
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}
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}
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#endif
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