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VB.NET MemoryMappedFile.CreateNew方法代码示例

本文整理汇总了VB.NET中System.IO.MemoryMappedFiles.MemoryMappedFile.CreateNew方法的典型用法代码示例。如果您正苦于以下问题:VB.NET MemoryMappedFile.CreateNew方法的具体用法?VB.NET MemoryMappedFile.CreateNew怎么用?VB.NET MemoryMappedFile.CreateNew使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.IO.MemoryMappedFiles.MemoryMappedFile的用法示例。


在下文中一共展示了MemoryMappedFile.CreateNew方法的3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,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: Module1

' 导入命名空间
Imports System.IO
Imports System.IO.MemoryMappedFiles
Imports System.Threading

Module Module1

    ' Process A:
    Sub Main()
        Using mmf As MemoryMappedFile = MemoryMappedFile.CreateNew("testmap", 10000)
            Dim mutexCreated As Boolean
            Dim mTex As Mutex = New Mutex(True, "testmapmutex", mutexCreated)
            Using Stream As MemoryMappedViewStream = mmf.CreateViewStream()
                Dim writer As BinaryWriter = New BinaryWriter(Stream)
                writer.Write(1)
            End Using
            mTex.ReleaseMutex()
            Console.WriteLine("Start Process B and press ENTER to continue.")
            Console.ReadLine()

            Console.WriteLine("Start Process C and press ENTER to continue.")
            Console.ReadLine()

            mTex.WaitOne()
            Using Stream As MemoryMappedViewStream = mmf.CreateViewStream()
                Dim reader As BinaryReader = New BinaryReader(Stream)
                Console.WriteLine("Process A says: {0}", reader.ReadBoolean())
                Console.WriteLine("Process B says: {0}", reader.ReadBoolean())
                Console.WriteLine("Process C says: {0}", reader.ReadBoolean())
            End Using
            mTex.ReleaseMutex()

        End Using

    End Sub

End Module
开发者ID:VB.NET开发者,项目名称:System.IO.MemoryMappedFiles,代码行数:37,代码来源:MemoryMappedFile.CreateNew

示例2: Main

' 导入命名空间
Imports System.IO
Imports System.IO.MemoryMappedFiles
Imports System.Threading

Module Module1
    ' Process B:
    Sub Main()
        Try
            Using mmf As MemoryMappedFile = MemoryMappedFile.OpenExisting("testmap")
                Dim mTex As Mutex = Mutex.OpenExisting("testmapmutex")
                mTex.WaitOne()
                Using Stream As MemoryMappedViewStream = mmf.CreateViewStream(1, 0)
                    Dim writer As BinaryWriter = New BinaryWriter(Stream)
                    writer.Write(0)
                End Using
                mTex.ReleaseMutex()
            End Using
        Catch noFile As FileNotFoundException
            Console.WriteLine("Memory-mapped file does not exist. Run Process A first." & vbCrLf & noFile.Message)
        End Try

    End Sub

End Module
开发者ID:VB.NET开发者,项目名称:System.IO.MemoryMappedFiles,代码行数:25,代码来源:MemoryMappedFile.CreateNew

示例3: Main

' 导入命名空间
Imports System.IO
Imports System.IO.MemoryMappedFiles
Imports System.Threading

Module Module1
    ' Process C:
    Sub Main()
        Try
            Using mmf As MemoryMappedFile = MemoryMappedFile.OpenExisting("testmap")
                Dim mTex As Mutex = Mutex.OpenExisting("testmapmutex")
                mTex.WaitOne()
                Using Stream As MemoryMappedViewStream = mmf.CreateViewStream(2, 0)
                    Dim writer As BinaryWriter = New BinaryWriter(Stream)
                    writer.Write(1)
                End Using
                mTex.ReleaseMutex()
            End Using
        Catch noFile As FileNotFoundException
            Console.WriteLine("Memory-mapped file does not exist. Run Process A first, then B." & vbCrLf & noFile.Message)
        End Try

    End Sub

End Module
开发者ID:VB.NET开发者,项目名称:System.IO.MemoryMappedFiles,代码行数:25,代码来源:MemoryMappedFile.CreateNew


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