Delete INI file Fields

 

Bool writeprivateprofilestring ( Lptstr lpappname, // section name Lptstr lpkeyname, // key name Lptstr lpstring, // string to add Lpctstr lpfilename // Initialization File ); Lpstring [In] pointer to a null-terminated string to be written to the file. If this parameter is null, the key pointed to by the lpkeyname parameter is deleted As you can see, you only need to set lpstring to null to delete the key specified by lpkeyname.

When lpstring is null, The lpkeyname field is deleted.

If lpkeyname is null, all fields under the lpappname domain will be deleted.