After assigning a drive to a share using WNetAddConnection2, will C i/o functions be able to use the drive?

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C++

Given that Q: is a drive assigned to a shared folder on a remote server, will the following code segment be valid?

FILE *fp;
_wfopen_s(&fp,_T("Q:\Test.abc"),_T("rb"));
_wfopen_s(&fp,_T("Q:\Test.abc"),_T("wb"));
_wfopen_s(&fp,_T("Q:\Test.abc"),_T("ab"));