>>>I've never run into a problem with FOPEN either
>>>until now. I have a file called phone1.pdb on
>>>a diskette. I used lnFile = FOPEN("A:\PHONE1.PDB",10)
>>>and also tried lnFile = FOPEN("A:\PHONE1.PDB")
>>>
>>>Both gave a -1 lnFile value which is an error. That's
>>>why I posted the message. In VFP 5.0's help under
>>>"binary", it says that a binary file can only be read
>>>by the application that created it.
>>>
>>
>>What system or app is creating that file, "PHONE1.PDB"?
>>
>I don't know what app created the *.pdb file but I do know the
>person running it is using a PC with Win95. I've never seen
>the extension before. At first I thought it was Paradox, but I
>guess not as VFP could have imported that directly.
>
I'd seen them before so I poked around in C files...
It's a C++ file containing project debugging info in binary. I'm not sure why anyone would want to export it elsewhere...