CFile::Open within an ActiveX ?

I have the following code within an ActiveX control and it crashes the TestContainer every time.


CFile f;
CFileException e;
TCHAR* pFileName = _T("c:\\tree.txt");

f.Open(pFileName, CFile::modeRead | CFile::shareDenyWrite, &e);




The "tree.txt" file is in the "c:\" directory.
Is there another way I should be doing file reading from within an ActiveX control?

Any help would be greatly appreciated.

Thanks. Pete

I forgot to mention the error I get is:
3e6 : "Invalid access to memory location"

use ifstream C++ class, or fread().

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-----------
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Quote:

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Originally Posted by pdcira

I have the following code within an ActiveX control and it crashes the TestContainer every time.


CFile f;
CFileException e;
TCHAR* pFileName = _T("c:\\tree.txt");

f.Open(pFileName, CFile::modeRead | CFile::shareDenyWrite, &e);




The "tree.txt" file is in the "c:\" directory.
Is there another way I should be doing file reading from within an ActiveX control?

Any help would be greatly appreciated.

Thanks. Pete

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Shouldn't this line...
TCHAR* pFileName = _T("c:\\tree.txt");

only have one backslash?

TCHAR* pFileName = _T("c:\tree.txt");

Perhaps that would work better?

Quote:

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Originally Posted by HarveyURAD

Shouldn't this line...
TCHAR* pFileName = _T("c:\\tree.txt");

only have one backslash?

TCHAR* pFileName = _T("c:\tree.txt");

Perhaps that would work better?

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No! \ is the escape char in strings so to actually have a \ in a string you use \\. See http://msdn.microsoft.com/en-us/library/6aw8xdf2.aspx

Quote:

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Originally Posted by 2kaud

No! \ is the escape char in strings so to actually have a \ in a string you use \\. See http://msdn.microsoft.com/en-us/library/6aw8xdf2.aspx

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Ah! You are absolutely correct, my mistake ;)