51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace StatsViewer {
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/// <summary>
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/// Win32 API constants, structs, and wrappers for access via C#.
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/// </summary>
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class Win32 {
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#region Constants
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public enum MapAccess {
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FILE_MAP_COPY = 0x0001,
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FILE_MAP_WRITE = 0x0002,
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FILE_MAP_READ = 0x0004,
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FILE_MAP_ALL_ACCESS = 0x001f,
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}
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public const int GENERIC_READ = unchecked((int)0x80000000);
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public const int GENERIC_WRITE = unchecked((int)0x40000000);
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public const int OPEN_ALWAYS = 4;
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public static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
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#endregion
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[DllImport("kernel32", SetLastError=true, CharSet=CharSet.Auto)]
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public static extern IntPtr CreateFile (
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String lpFileName, int dwDesiredAccess, int dwShareMode,
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IntPtr lpSecurityAttributes, int dwCreationDisposition,
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int dwFlagsAndAttributes, IntPtr hTemplateFile);
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[DllImport("kernel32", SetLastError=true)]
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public static extern IntPtr MapViewOfFile (
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IntPtr hFileMappingObject, int dwDesiredAccess, int dwFileOffsetHigh,
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int dwFileOffsetLow, int dwNumBytesToMap);
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[DllImport("kernel32", SetLastError=true, CharSet=CharSet.Auto)]
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public static extern IntPtr OpenFileMapping (
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int dwDesiredAccess, bool bInheritHandle, String lpName);
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[DllImport("kernel32", SetLastError=true)]
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public static extern bool UnmapViewOfFile (IntPtr lpBaseAddress);
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[DllImport("kernel32", SetLastError = true)]
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public static extern bool CloseHandle(IntPtr handle);
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}
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}
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