Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • World
  • Users
  • Groups
Skins
  • Light
  • Cerulean
  • Cosmo
  • Flatly
  • Journal
  • Litera
  • Lumen
  • Lux
  • Materia
  • Minty
  • Morph
  • Pulse
  • Sandstone
  • Simplex
  • Sketchy
  • Spacelab
  • United
  • Yeti
  • Zephyr
  • Dark
  • Cyborg
  • Darkly
  • Quartz
  • Slate
  • Solar
  • Superhero
  • Vapor

  • Default (No Skin)
  • No Skin
Collapse
Code Project
  1. Home
  2. General Programming
  3. C / C++ / MFC
  4. How to check whether a file is already open

How to check whether a file is already open

Scheduled Pinned Locked Moved C / C++ / MFC
tutorial
3 Posts 3 Posters 0 Views 1 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • D Offline
    D Offline
    Deepak Samuel
    wrote on last edited by
    #1

    Hi, Can anyone tell me how to find if a file is already open.This is to prevent two instances of the same file. Thanks. Deepak Samuel. Deepak Samuel.

    D G 2 Replies Last reply
    0
    • D Deepak Samuel

      Hi, Can anyone tell me how to find if a file is already open.This is to prevent two instances of the same file. Thanks. Deepak Samuel. Deepak Samuel.

      D Offline
      D Offline
      David Crow
      wrote on last edited by
      #2

      Try to open the file again. If it is opened elsewhere, you'll get an appropriate error.


      "The pointy end goes in the other man." - Antonio Banderas (Zorro, 1998)

      1 Reply Last reply
      0
      • D Deepak Samuel

        Hi, Can anyone tell me how to find if a file is already open.This is to prevent two instances of the same file. Thanks. Deepak Samuel. Deepak Samuel.

        G Offline
        G Offline
        Garth J Lancaster
        wrote on last edited by
        #3

        I would add to David's comment - open the file with the EXCLUSIVE mode !! 'G'

        1 Reply Last reply
        0
        Reply
        • Reply as topic
        Log in to reply
        • Oldest to Newest
        • Newest to Oldest
        • Most Votes


        • Login

        • Don't have an account? Register

        • Login or register to search.
        • First post
          Last post
        0
        • Categories
        • Recent
        • Tags
        • Popular
        • World
        • Users
        • Groups