CREATEFILE function

**rEtard** · 06-01-2005

Guys, i need to know something, can someone clarify it for me ?
in the function CreateFile() i created, the following is an example

Code:

CreateFile(ofn.lpstrFile,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,0,0)
CreateFile(filename,GENERIC_WRITE,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);

Ok, this is something i need to know. How can i make a file, lets say .txt file as a hidden mode ? Another thing is, can i give my file an extension of its own, lets say .retard ? is it possible, maybe .ret, more appropriate. Because i dun wan the users to open the file and if they do, my program could open it for them instead. Is this achieveable ?

**anonytmouse** · 06-01-2005

>> Ok, this is something i need to know. How can i make a file, lets say .txt file as a hidden mode ? <<

Use FILE_ATTRIBUTE_HIDDEN as the second last argument to CreateFile. If the file already exists you can use the SetFileAttributes function. Hidden files are usually anti-social and many users set Explorer to show hidden files.

>> Another thing is, can i give my file an extension of its own, lets say .retard ? is it possible, maybe .ret, more appropriate. <<

The file name you provide to CreateFile can have any extension (excluding bad characters and length restrictions).

>> Because i dun wan the users to open the file and if they do <<

A user can open and read the files they control. Only malware would seek to take away this right.

>> my program could open it for them instead. <<

You can setup a file association so that your program will be activated when a user double clicks on a file with the specified file extension.

**rEtard** · 06-01-2005

anonymouse, Whats a malware ?

**anonytmouse** · 06-01-2005

Wikipedia: Malware (a portmanteau of "malicious software") is any software program developed for the purpose of causing harm to a computer system, similar to a virus or trojan horse. More...

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