insufficient disk space

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My application can recover from an insufficient disk space problem by switching the output file to another disk. I need to know how to recognize the specific error. This works

C#

try
{ streamWriter.WriteLine(text); }
catch (IOException io)
{
  if (ex.Message.Equals("There is not enough space on the disk.\r\n"))
    DoSomething();
}

I do not like testing for an English literal that may change in a future release and, most likely, is not very compatible with non-English machines.

What is a better way of determining the specific error?

Posted 12-Oct-12 22:13pm

Roger500

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OriginalGriff · Accepted Answer · 2012-10-12T22:25:00

Solution 1

Have you tried looking at the HResult[^] property? I don't have a full disk to try it on, so I can;t check. It should return ERROR_DISK_FULL (0x70) or ERROR_HANDLE_DISK_FULL (0x27), but if it doesn't, you will have to use the Marshal.GetHRForException[^] method, which will.

Posted 12-Oct-12 22:25pm

OriginalGriff

Comments

Roger500 13-Oct-12 9:43am

After doing some digging I figured out how to implement your solution. It works GREAT!
catch (IOException ex)
{ int hresult = System.Runtime.InteropServices.Marshal.GetHRForException(ex);
...
}

Many thanks!

OriginalGriff 13-Oct-12 9:46am

You're welcome!