hresult

The System.Exception.HResult property is protected. How can I peek inside an exception and get the HResult without resorting to reflection or other ugly hacks? Here's the situation: I want to write a backup tool, which opens and reads files on a system. I open the file with FileAccess.Read and FileShare.ReadWrite, according to this guidance , because I don't care if the file is open for writing at the time I read it. In some cases, when a file I am reading is open by another app, the System.IO.FileStream.Read() method throws a System.IO.IOException, "The process cannot access the file because

Is there a function in win API which can be used to extract the string representation of HRESULT value? The problem is that not all return values are documented in MSDN, for example ExecuteInDefaultAppDomain() function is not documented to return "0x80070002 - The system cannot find the file specified.", however, it does! Therefore, I was wondering whether there is a function to be used in common case. eran You can use _com_error : _com_error err(hr); LPCTSTR errMsg = err.ErrorMessage(); If you don't want to use _com_error for whatever reason, you can still take a look at its source, and see

I have been receiving this error for a while when using devenv on an automatic build. I have gone through every website I can find, and the usual answers mention refreshing dependencies (Which I believe fixes it for manual deployment, but not for automatic) and removing the source control coding from the projects, which hasn't helped me. The error does not occur every time I build, but it seems random on different deployment projects each time. Does anyone have any advice on why exactly this error occurs and how to go about fixing it? oɔɯǝɹ This is a known issue in Visual Studio 2010 (a race