<div>
As you said, there is no way, notice that CFile is an encapsulation of a WinAPI's HANDLE to a file, so both are identical.<br />
WinAPI function GetFileInformationByHandle<wbr />() doesn't tell you about file access mode, and CFile doesn't save extra information about it, even in its protected members.<br />

</div>


As you said, there is no way, notice that CFile is an encapsulation of a WinAPI's HANDLE to a file, so both are identical.
WinAPI function GetFileInformationByHandle() doesn't tell you about file access mode, and CFile doesn't save extra information about it, even in its protected members.


<div>
<div class="content wysiwyg-content">
I am trying to write a generic file read programe that accept either a CFile or a file handle. <br />
However, when testing it, I sometimes get error because the file was open in an unexpected mode (like write only etc), hence, I would like to examine the CFile or file handle that is passed to the me and see if it is open appropriately. However, I find that there is NO way to examine the way the file was opened (like with 'r' or 'w' etc).<br />
Can any one tell me if there is a way ( as easy as possible) to examine the mode that was used to open this particular file? to avoid errors.<br />
<br />
Thank you 
</div>
</div>


I am trying to write a generic file read programe that accept either a CFile or a file handle. 
However, when testing it, I sometimes get error because the file was open in an unexpected mode (like write only etc), hence, I would like to examine the CFile or file handle that is passed to the me and see if it is open appropriately. However, I find that there is NO way to examine the way the file was opened (like with 'r' or 'w' etc).
Can any one tell me if there is a way ( as easy as possible) to examine the mode that was used to open this particular file? to avoid errors.

Thank you 

How do I get the access mode that was used to obtain a pariticular file (or file handle)?

Programming includes both the specifics of the language you’re using, like Visual Basic, .NET, Java and others, but also the best practices in user experience and interfaces and the management of projects, version control and development. Other programming topics are related to web and cloud development and system and hardware programming.