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Struct

Posted on 1997-09-05
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Last Modified: 2008-03-10
I'm trying to use the OFSTRUCT structure but when I declair the varible as:
OFSTRUCT source;
the program gives me error that the program can't convert the varible from _OFSTRUCT* to _OFSTRUCT.
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Question by:JDS
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4 Comments
 
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Accepted Solution

by:
gaohong earned 50 total points
ID: 1168961
Compiler expects you pass a object instead of reference or pointer. Checking function protocol and arguments type

good luck
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Author Comment

by:JDS
ID: 1168962
No I needed to put an * at the end of the struct def.
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Author Comment

by:JDS
ID: 1168963
No I needed to put an * at the end of the struct def.
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Expert Comment

by:hacksmith
ID: 1168964
The Ofstruct structure is there to provide you with info about an  open file. The structure therefore is filled for you by the operating system and what you need is the ready made pointer to it which is supplied by you when the file is opened. See help under OpenFile..

lpOpenBuff is the empty pointer you supply as an argument which is filled with the address of the OFSTRUCT structure.

The structure receives information about the file when it is first opened. The pointer to the structure can then be used in subsequent calls to the open file.

The answer therefore is

1. supply an empty pointer

OFSTRUCT* mypointer;

2. open the file using openfile and using mypointer among the arguments and then use that pointer which will have the address of the OFSTRUCT of the file.

You can create your own OFSTRUCT on the heap using the new operator, but it will be empty and not much use.

 
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