SafeNativeMethods.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Messaging / System / Messaging / Interop / SafeNativeMethods.cs / 1305376 / SafeNativeMethods.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Messaging.Interop { 
    using System.Text; 
    using System.Threading;
    using System.Runtime.InteropServices; 
    using System.Diagnostics;
    using System;
    using System.ComponentModel;
    using Microsoft.Win32; 
    using System.Security;
    using System.Security.Permissions; 
    using System.Runtime.ConstrainedExecution; //for ReliabilityContract 

    [ 
    System.Runtime.InteropServices.ComVisible(false),
    System.Security.SuppressUnmanagedCodeSecurityAttribute()
    ]
    internal static class SafeNativeMethods { 
        public unsafe delegate void ReceiveCallback(int result, IntPtr handle, int timeout, int action, IntPtr propertiesPointer, NativeOverlapped  * overlappedPointer, IntPtr cursorHandle);
 
        [DllImport(ExternDll.Mqrt, EntryPoint="MQBeginTransaction", CharSet=System.Runtime.InteropServices.CharSet.Unicode)] 
        public static extern int IntMQBeginTransaction(out ITransaction refTransaction);
        public static int MQBeginTransaction(out ITransaction refTransaction) { 
            try {
                return IntMQBeginTransaction(out refTransaction);
            }
            catch (DllNotFoundException) { 
                throw new InvalidOperationException(Res.GetString(Res.MSMQNotInstalled));
            } 
        } 

        [DllImport(ExternDll.Mqrt, CharSet=System.Runtime.InteropServices.CharSet.Unicode)] 
        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
        public static extern int MQCloseQueue(IntPtr handle);

        [DllImport(ExternDll.Mqrt, EntryPoint="MQPathNameToFormatName", CharSet=System.Runtime.InteropServices.CharSet.Unicode)] 
        private static extern int IntMQPathNameToFormatName(string pathName, StringBuilder formatName, ref int count);
        public static int MQPathNameToFormatName(string pathName, StringBuilder formatName, ref int count) { 
            try { 
                return IntMQPathNameToFormatName(pathName, formatName, ref count);
            } 
            catch (DllNotFoundException) {
                throw new InvalidOperationException(Res.GetString(Res.MSMQNotInstalled));
            }
        } 

        [DllImport(ExternDll.Mqrt, EntryPoint="MQInstanceToFormatName", CharSet=System.Runtime.InteropServices.CharSet.Unicode)] 
        public static extern int IntMQInstanceToFormatName(byte[] id, StringBuilder formatName, ref int count); 
        public static int MQInstanceToFormatName(byte[] id, StringBuilder formatName, ref int count) {
            try { 
                return IntMQInstanceToFormatName(id, formatName, ref count);
            }
            catch (DllNotFoundException) {
                throw new InvalidOperationException(Res.GetString(Res.MSMQNotInstalled)); 
            }
        } 
 
        [DllImport(ExternDll.Mqrt, CharSet=System.Runtime.InteropServices.CharSet.Unicode)]
        public static extern int MQCreateCursor(MessageQueueHandle handle, out CursorHandle cursorHandle); 

        [DllImport(ExternDll.Mqrt, CharSet=System.Runtime.InteropServices.CharSet.Unicode)]
        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
        public static extern int MQCloseCursor(IntPtr cursorHandle); 

        [DllImport(ExternDll.Mqrt, CharSet=System.Runtime.InteropServices.CharSet.Unicode)] 
        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)] 
        public static extern void MQFreeSecurityContext(IntPtr handle);
 
        [DllImport(ExternDll.Mqrt, CharSet=System.Runtime.InteropServices.CharSet.Unicode)]
        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
        public static extern int MQLocateEnd(IntPtr enumHandle);
 
        [DllImport(ExternDll.Mqrt, CharSet=System.Runtime.InteropServices.CharSet.Unicode)]
        public static extern int MQLocateNext(LocatorHandle enumHandle, ref int propertyCount, [Out] MQPROPVARIANTS[] variantArray); 
 
        [DllImport(ExternDll.Mqrt, CharSet=System.Runtime.InteropServices.CharSet.Unicode)]
        public static extern void MQFreeMemory(IntPtr memory); 

        [DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
        public static extern bool GetHandleInformation(SafeHandle handle, out int handleInformation);
 
        [DllImport(ExternDll.Kernel32)]
        public static extern IntPtr LocalFree(IntPtr hMem); 
 
        [DllImport(ExternDll.Advapi32)]
        public static extern int SetEntriesInAclW(int count, 
                                                  //[MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0, ArraySubType = ExplicitAccess)]
                                                  //ExplicitAccess[] entries,
                                                  IntPtr entries,
                                                  IntPtr oldacl, 
                                                  out IntPtr newAcl);
 
        [DllImport(ExternDll.Kernel32, CharSet=CharSet.Auto)] 
        public static extern bool GetComputerName(StringBuilder lpBuffer, int[] nSize);
 
        public const int FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x00000100,
            FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200,
            FORMAT_MESSAGE_FROM_STRING = 0x00000400,
            FORMAT_MESSAGE_FROM_HMODULE = 0x00000800, 
            FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000,
            FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x00002000, 
            FORMAT_MESSAGE_MAX_WIDTH_MASK = 0x000000FF; 

        [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern int FormatMessage(int dwFlags, IntPtr lpSource, int dwMessageId,
                                                int dwLanguageId, StringBuilder lpBuffer, int nSize, IntPtr arguments);

    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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SafeNativeMethods.cs source code in C# .NET

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