Which process is using a file?

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  • DBC User
    #1

    Which process is using a file?

    I would like know is it possible someway to find out which process is
    holding a file using c#? I have a problem where one file is been held
    by some process (I don't have a clue) and I want to force delete that
    file with out stopping the application or restarting the computer. Is
    it possible or am I day dreaming?

    Thanks.

    Tags: None
    • Tim Van Wassenhove
      #2
      Re: Which process is using a file?

      DBC User schreef:
      I would like know is it possible someway to find out which process is
      holding a file using c#? I have a problem where one file is been held
      by some process (I don't have a clue) and I want to force delete that
      file with out stopping the application or restarting the computer. Is
      it possible or am I day dreaming?
      I'm not sure if this helps you (because it's not a c# solution), but I
      have sucessfully used http://ccollomb.free.fr/unlocker/

      --
      Tim Van Wassenhove - Read my mind <url:http://www.timvw.be/>

        Comment

        • Ignacio Machin \( .NET/ C# MVP \)
          #3
          Re: Which process is using a file?

          Hi,

          It's not possible using a managed solution, you would have to P/invoke and
          lot of it.

          And even in case you can do it you will not be able to "tell" to the program
          that has the file open to close it.

          "DBC User" <dbcuser@gmail. comwrote in message
          news:1179154177 .054666.194550@ k79g2000hse.goo glegroups.com.. .
          >I would like know is it possible someway to find out which process is
          holding a file using c#? I have a problem where one file is been held
          by some process (I don't have a clue) and I want to force delete that
          file with out stopping the application or restarting the computer. Is
          it possible or am I day dreaming?
          >
          Thanks.
          >

            Comment

            • Willy Denoyette [MVP]
              #4
              Re: Which process is using a file?

              "DBC User" <dbcuser@gmail. comwrote in message
              news:1179154177 .054666.194550@ k79g2000hse.goo glegroups.com.. .
              >I would like know is it possible someway to find out which process is
              holding a file using c#? I have a problem where one file is been held
              by some process (I don't have a clue) and I want to force delete that
              file with out stopping the application or restarting the computer. Is
              it possible or am I day dreaming?
              >
              Thanks.
              >


              There is no way to do this from user code (any language), and doing it from
              kernel space means writing a filter driver.
              Now, even if you could get at the owning process, how do you think that
              process will behave if you start deleting it's files?

              Willy.

                Comment

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