Read and write INI configuration file.

Core functions:

Write to the. ini file: bool writeprivateprofilestring(a field name in the LPCTSTR Lpappname,//ini file

LPCTSTR Lpkeyname,//lpappname under a key name, that is, the specific variable name inside

LPCTSTR lpstring,//is the key value, which is the value of the variable, must be LPCTSTR or CString type

LPCTSTR lpfilename);//full INI file path name

Read. ini file: DWORD getprivateprofilestring(a field name in the LPCTSTR Lpappname,//ini file

LPCTSTR Lpkeyname,//lpappname under a key name, that is, the specific variable name inside

LPCTSTR lpdefaut,//If there are no first two parameter values, assign this value to the variable

LPSTR lpreturnedstring,//The CString object that receives the value in the INI file, that is, the receive buffer

DWORD nsize,//the size of the receive buffer

LPCTSTR lpfilename);//full INI file path name

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Read and write INI configuration file.