Thanks Victor for your reply,

I wrote this code :
//~~~~~~~~~~~~~~~~~~~~~~~
WriteFile(hf,TEXT("3 \n"),a,&FileSize,NULL);
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~

But unlucky it is not working ( I Build Win32 Application and Use Win7 64Bit OS)
I try to learn How can I find a format to help me how to add spaces between Data and How to add New Lines,

once again I thank you for your answer and helping.