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Filemapping and Shared Memory

Classes for mapping large files in memory or using shared memory with other processes.

• Classes
  • class FileMappingMBS
    • method CloseFile
    • method CloseFileMapping
    • method Constructor
    • method Constructor(file as folderitem, write as boolean = false)
    • method CreateSharedMemory(name as string, Size as Int64) as boolean
    • shared method DeleteSharedMemory(name as string) as boolean
    • method EnlargeFile(Size as Int64)
    • shared method GetSharedMemoryValue(name as string) as MemoryBlock
    • shared method HasSharedMemoryValue(name as string) as Boolean
    • method MapView(mem as MemoryBlock, offset as Int64, Size as Integer) as FileMappingViewMBS
    • method MapView(offset as Int64, Size as Integer) as FileMappingViewMBS
    • method OpenFileMapping(MaxSize as Int64 = 0) as boolean
    • method OpenSharedMemory(name as string) as boolean
    • shared method SetSharedMemoryValue(name as string, data as MemoryBlock) as Boolean
    • method ShrinkFile
    • property DeleteFileOnClose as Boolean
    • property DeleteSharedMemory as Boolean
    • property File as FolderItem
    • property isWriteable as Boolean
    • property Lasterror as Integer
    • property LasterrorString as String
    • property Name as String
    • property SharedMemorySize as Int64
    • property ShrinkFileOnClose as Boolean
  • class FileMappingViewMBS
    • method FlushView
    • method UnmapView
    • property FlushOnClose as Boolean
    • property Memory as Memoryblock
    • property Offset as Int64
    • property Parent as FileMappingMBS
    • property Size as Integer
• Blog Entries
  • MonkeyBread Software Releases the MBS Xojo Plugins in version 21.0
  • Xojo 2020r2.1 arrived
  • MBS Xojo Plugins, version 20.6pr2
  • New in the MBS Xojo Plugins Version 20.2
  • MonkeyBread Software Releases the MBS Xojo Plugins in version 20.2
  • MBS Xojo Plugins, version 18.3pr5
  • MBS Real Studio Plugins, version 13.1pr15
  • MBS Real Studio Plugins, version 11.3pr14
  • MBS REALbasic Plugins, version 10.5pr4

Release notes

• Version 21.0
  • Improved FileMappingMBS class to do >2 GB big shared memory views on 64-bit systems.
• Version 18.3
  • Added shared memory methods to FileMappingMBS class.

The items on this page are in the following plugins: MBS Util Plugin.