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C# MemoryMappedFiles.MemoryMappedFile类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C#中System.IO.MemoryMappedFiles.MemoryMappedFile的典型用法代码示例。如果您正苦于以下问题:C# MemoryMappedFile类的具体用法?C# MemoryMappedFile怎么用?C# MemoryMappedFile使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



MemoryMappedFile类属于System.IO.MemoryMappedFiles命名空间,在下文中一共展示了MemoryMappedFile类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。

示例1: Startup

        //List<CVarHeader> VarHeaders = new List<CVarHeader>();

        public bool Startup()
        {
            if (IsInitialized) return true;

            try
            {
                iRacingFile = MemoryMappedFile.OpenExisting(Defines.MemMapFileName);
                FileMapView = iRacingFile.CreateViewAccessor();
                
                VarHeaderSize = Marshal.SizeOf(typeof(VarHeader));

                var hEvent = OpenEvent(Defines.DesiredAccess, false, Defines.DataValidEventName);
                var are = new AutoResetEvent(false);
                are.Handle = hEvent;

                var wh = new WaitHandle[1];
                wh[0] = are;

                WaitHandle.WaitAny(wh);

                Header = new CiRSDKHeader(FileMapView);
                GetVarHeaders();

                IsInitialized = true;
            }
            catch (Exception)
            {
                return false;
            }
            return true;
        }
开发者ID:mochablendy,项目名称:iRacingSdkWrapper,代码行数:33,代码来源:iRacingSDK.cs


示例2: MainWindow

 public MainWindow()
 {
     InitializeComponent();
     videoSource = new WriteableBitmap(640, 480, 72, 72, PixelFormats.Rgb24, null);
     rectifiedTabletopMmf = MemoryMappedFile.OpenExisting("InteractiveSpaceRectifiedTabletop", MemoryMappedFileRights.Read);
     buffer = new byte[imgSize];
 }
开发者ID:UCSD-HCI,项目名称:RiskBoardGame,代码行数:7,代码来源:MainWindow.xaml.cs


示例3: SRHSharedData

        public SRHSharedData()
        {
            m_Mmf = MemoryMappedFile.CreateNew(@"SimpleROHook1008",
                Marshal.SizeOf(typeof(StSHAREDMEMORY)),
                MemoryMappedFileAccess.ReadWrite);
            if (m_Mmf == null)
                MessageBox.Show("CreateOrOpen MemoryMappedFile Failed.");
            m_Accessor = m_Mmf.CreateViewAccessor();

            byte* p = null;
            m_Accessor.SafeMemoryMappedViewHandle.AcquirePointer(ref p);
            m_pSharedMemory = (StSHAREDMEMORY*)p;

            write_packetlog = false;
            freemouse = false;
            m2e = false;
            fix_windowmode_vsyncwait = false;
            show_framerate = false;
            objectinformation = false;
            _44khz_audiomode = false;
            cpucoolerlevel = 0;
            configfilepath = "";
            musicfilename = "";
            executeorder = false;
            g_hROWindow = 0;
        }
开发者ID:Jasty777,项目名称:SimpleROHook,代码行数:26,代码来源:SRHSharedData.cs


示例4: MemoryMapReader

        public MemoryMapReader(string file)
        {
            var fileInfo = new FileInfo(file);

            Length = (int)fileInfo.Length;

            // Ideally we would use the file ID in the mapName, but it is not
            // easily available from C#.
            var mapName = $"{fileInfo.FullName.Replace("\\", "-")}-{Length}";
            lock (FileLocker)
            {
                try
                {
                    _memoryMappedFile = MemoryMappedFile.OpenExisting(mapName, MemoryMappedFileRights.Read);
                }
                catch (Exception ex) when (ex is IOException || ex is NotImplementedException)
                {
                    using (
                        var stream = new FileStream(file, FileMode.Open, FileAccess.Read,
                            FileShare.Delete | FileShare.Read))
                    {
                        _memoryMappedFile = MemoryMappedFile.CreateFromFile(stream, mapName, Length,
                            MemoryMappedFileAccess.Read, null, HandleInheritability.None, false);
                    }
                }
            }

            _view = _memoryMappedFile.CreateViewAccessor(0, Length, MemoryMappedFileAccess.Read);
        }
开发者ID:RalphSim,项目名称:MaxMind-DB-Reader-dotnet,代码行数:29,代码来源:MemoryMapReader.cs


示例5: GetFileNameOfMemoryMappedFile

        public static string GetFileNameOfMemoryMappedFile(MemoryMappedFile file)
        {
            const uint size = 522;
            IntPtr path = Marshal.AllocCoTaskMem(unchecked((int)size)); // MAX_PATH + 1 char

            string result = null;
            try
            {
                // constant 0x2 = VOLUME_NAME_NT
                uint test = GetFinalPathNameByHandle(file.SafeMemoryMappedFileHandle.DangerousGetHandle(), path, size, 0x2);
                if (test != 0)
                    throw new Win32Exception();

                result = Marshal.PtrToStringAuto(path);
            }
            catch
            {
                uint test = GetMappedFileName(Process.GetCurrentProcess().Handle, file.SafeMemoryMappedFileHandle.DangerousGetHandle(), path, size);
                if (test != 0)
                    throw new Win32Exception();

                result = Marshal.PtrToStringAuto(path);
            }

            return result;
        }
开发者ID:robpaveza,项目名称:stormlibsharp,代码行数:26,代码来源:Win32Methods.cs


示例6: BitmapBroadcaster

 public BitmapBroadcaster()
 {
     file = MemoryMappedFile.CreateOrOpen("OpenNiVirtualCamFrameData", fileSize, MemoryMappedFileAccess.ReadWrite);
     memoryAccessor = file.CreateViewAccessor(0, fileSize, MemoryMappedFileAccess.ReadWrite);
     if (hasServer())
         throw new Exception("Only one server is allowed.");
 }
开发者ID:pasinduc,项目名称:NiVirtualCam,代码行数:7,代码来源:BitmapBroadcaster.cs


示例7: FileHardDisk

        public FileHardDisk(string path)
        {
            var fi = new FileInfo(path);
            mSize = fi.Length;

            mFile = MemoryMappedFile.CreateFromFile(path, FileMode.Open);
        }
开发者ID:AustinWise,项目名称:ZfsSharp,代码行数:7,代码来源:FileHardDisk.cs


示例8: MemoryMappedFileCheckpoint

        public MemoryMappedFileCheckpoint(string filename, string name, bool cached, bool mustExist = false, long initValue = 0)
        {
            _filename = filename;
            _name = name;
            _cached = cached;
            var old = File.Exists(_filename);
            _fileStream = new FileStream(_filename,
                                            mustExist ? FileMode.Open : FileMode.OpenOrCreate,
                                            FileAccess.ReadWrite,
                                            FileShare.ReadWrite);
            _file = MemoryMappedFile.CreateFromFile(_fileStream,
                                                    Guid.NewGuid().ToString(),
                                                    sizeof(long),
                                                    MemoryMappedFileAccess.ReadWrite,
                                                    new MemoryMappedFileSecurity(),
                                                    HandleInheritability.None,
                                                    false);
            _accessor = _file.CreateViewAccessor(0, 8);

            if (old)
                _last = _lastFlushed = ReadCurrent();
            else
            {
                _last = initValue;
                Flush();
            }
        }
开发者ID:rcknight,项目名称:AppDotNetEvents,代码行数:27,代码来源:MemoryMappedFileCheckpoint.cs


示例9: Allocate

		/// <summary>
		/// note that a few bytes of the size will be used for a management area
		/// </summary>
		/// <param name="size"></param>
		public void Allocate(int size)
		{
			Owner = true;
			Id = SuperGloballyUniqueID.Next();
			mmf = MemoryMappedFile.CreateNew(Id, size);
			Setup(size);
		}
开发者ID:ddugovic,项目名称:RASuite,代码行数:11,代码来源:IPCRingBuffer.cs


示例10: InitSharedMemory

        private void InitSharedMemory()
        {
            _messageMemoryMappedFile = MemoryMappedFile.CreateOrOpen(@"messageMemory", 1024*1024, MemoryMappedFileAccess.ReadWrite);

            _collisionFlagMemoryMappedFile = MemoryMappedFile.CreateOrOpen(@"collisionFlag", 8, MemoryMappedFileAccess.ReadWrite);
            SetCollision(false);
        }
开发者ID:drodov,项目名称:VKSiS,代码行数:7,代码来源:MainWindow.xaml.cs


示例11: IncreaseSize

        public Stream IncreaseSize(int value, out long offset)
        {
            lock (_lock)
            {
                while (Interlocked.Read(ref _counter) != 0)
                {
                    if (!Monitor.Wait(_lock, 10000, true))
                        throw new NotSupportedException();
                }

                FileStream file = new FileStream(_filePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
                try
                {
                    offset = MathEx.RoundUp(file.Length, 0x800);
                    file.SetLength(offset + value);
                    _mmf = MemoryMappedFile.CreateFromFile(file, null, 0, MemoryMappedFileAccess.ReadWrite, null, HandleInheritability.Inheritable, false);
                }
                catch
                {
                    file.SafeDispose();
                    throw;
                }

                Interlocked.Increment(ref _counter);
                DisposableStream result = new DisposableStream(_mmf.CreateViewStream(offset, value, MemoryMappedFileAccess.ReadWrite));
                result.AfterDispose.Add(new DisposableAction(Free));
                return result;
            }
        }
开发者ID:kidaa,项目名称:Pulse,代码行数:29,代码来源:SharedMemoryMappedFile.cs


示例12: Complex4Ks

 public Complex4Ks(long complexEntryCount)
 {
     Debug.Assert(complexEntryCount > fourK);
     Debug.Assert(complexEntryCount % 0x1000 == 0);
     Debug.Assert((complexEntryCount != 0) && ((complexEntryCount & (complexEntryCount - 1)) == 0), "complexEntryCount must be power of 2");
     this.length4ks = complexEntryCount / fourK;
     Debug.Assert(complexEntryCount == fourK * this.length4ks);
     bool ramIsLow = this.length4ks > 1024;
     if (!ramIsLow)
     {
         lock (totalRAMLock)
         {
             ramIsLow = totalRAM <= 0L;
         }
     }
     if (ramIsLow)
     {
         lock (nameSuffixLock)
         {
             this.suffix = nameSuffix++;
         }
         this.file = MemoryMappedFile.CreateFromFile(FileName, FileMode.CreateNew, namePrefix + "-" + suffix, complexEntryCount * 16L, MemoryMappedFileAccess.ReadWrite);
     }
     else
     {
         lock (totalRAMLock)
         {
             totalRAM -= this.length4ks * 4096 * 16;
         }
         this.array = new Complex[this.length4ks][];
     }
 }
开发者ID:khwas,项目名称:gigafft,代码行数:32,代码来源:ComplexStream.cs


示例13: MapContent

 void MapContent()
 {
     if (_accessor != null) return;
     _memoryMappedFile = MemoryMappedFile.CreateFromFile(_stream, null, 0, MemoryMappedFileAccess.ReadWrite, null, HandleInheritability.None, true);
     _accessor = _memoryMappedFile.CreateViewAccessor();
     _accessor.SafeMemoryMappedViewHandle.AcquirePointer(ref _pointer);
 }
开发者ID:mano-cz,项目名称:BTDB,代码行数:7,代码来源:OnDiskMemoryMappedFileCollection.cs


示例14: MumbleLink

 public MumbleLink()
 {
     if (mmFile == null)
     {
         mmFile = MemoryMappedFile.CreateOrOpen("MumbleLink", Marshal.SizeOf(data), MemoryMappedFileAccess.ReadWrite);
         mmAccessor = mmFile.CreateViewAccessor(0, Marshal.SizeOf(data));
     }
 }
开发者ID:Danmashel,项目名称:Gw2MappingLink,代码行数:8,代码来源:MumbleLink.cs


示例15: CreateFileStreams

		private void CreateFileStreams()
		{
			if (_file != null || _fileStream != null)
				throw new InvalidOperationException();

			_file = MemoryMappedFile.CreateFromFile(FileName);
			_fileStream = _file.CreateViewStream();
		}
开发者ID:ethanmoffat,项目名称:PELoaderLib,代码行数:8,代码来源:PEFile.cs


示例16: MemoryMappedFileCommunicator

        public MemoryMappedFileCommunicator(MemoryMappedFile rpMemoryMappedFile, long rpOffset, long rpSize, MemoryMappedFileAccess rpAccess)
        {
            r_MemoryMappedFile = rpMemoryMappedFile;
            r_ViewAccessor = rpMemoryMappedFile.CreateViewAccessor(rpOffset, rpSize, rpAccess);

            ReadPosition = -1;
            r_WritePosition = -1;
        }
开发者ID:amatukaze,项目名称:IntelligentNavalGun-Fx4,代码行数:8,代码来源:MemoryMappedFileCommunicator.cs


示例17: cFileMap

 public cFileMap(FileStream stream, FileMapProtect protect, int offset, int length)
 {
     MemoryMappedFileAccess cProtect = (protect == FileMapProtect.ReadWrite) ? MemoryMappedFileAccess.ReadWrite : MemoryMappedFileAccess.Read;
     _length = length;
     _mappedFile = MemoryMappedFile.CreateFromFile(stream, stream.Name, _length, cProtect, null, HandleInheritability.None, true);
     _mappedFileAccessor = _mappedFile.CreateViewAccessor(offset, _length, cProtect);
     _addr = _mappedFileAccessor.SafeMemoryMappedViewHandle.DangerousGetHandle();
 }
开发者ID:chrisall76,项目名称:Sm4sh-Tools,代码行数:8,代码来源:FileMap.cs


示例18: DebuggerForm

        public DebuggerForm()
        {
            InitializeComponent();

            m_MMF = MemoryMappedFile.CreateOrOpen( @"VoronoiDebugger", 1 << 20, MemoryMappedFileAccess.ReadWrite );
            m_View = m_MMF.CreateViewAccessor( 0, 1 << 20, MemoryMappedFileAccess.ReadWrite );	// Open in R/W even though we won't write into it, just because we need to have the same access privileges as the writer otherwise we make the writer crash when it attempts to open the file in R/W mode!

            integerTrackbarControlCell_ValueChanged( null, 0 );
        }
开发者ID:Patapom,项目名称:GodComplex,代码行数:9,代码来源:DebuggerForm.cs


示例19: HeurFacade

 public HeurFacade(string mutName, string mmfName, int RegIterations)
 {
     // Time of listening before register
     this.Luogo1 = new Dictionary<string, Network>();
     this.threshold = RegIterations;
     this.mut = Mutex.OpenExisting(mutName); ;
     this.mmf = MemoryMappedFile.OpenExisting(mmfName, MemoryMappedFileRights.FullControl, HandleInheritability.None);
     this.stream = mmf.CreateViewStream(0, MappedFileDimension, MemoryMappedFileAccess.Read);
 }
开发者ID:palexster,项目名称:ermesReloaded,代码行数:9,代码来源:HeurFacade.cs


示例20: SharedRingBuffer

 public SharedRingBuffer(string name, int size)
 {
     _size = size;
     _memory = MemoryMappedFile.CreateOrOpen(name, size + 1);
     _memoryStream = _memory.CreateViewStream();
     _writer = new BinaryWriter(_memoryStream);
     _reader = new BinaryReader(_memoryStream);
     _writer.Write(char.MinValue);
 }
开发者ID:Moones,项目名称:OpenEnsage,代码行数:9,代码来源:SharedRingBuffer.cs



注:本文中的System.IO.MemoryMappedFiles.MemoryMappedFile类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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C# MemoryMappedFiles.MemoryMappedViewAccessor类代码示例发布时间:2022-05-26
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