#include <inifile.h> // TIniFile
#include <AnsiStrings.hpp> // ChangeFileExt();

TIniFile *Ini = new TIniFile ( ChangeFileExt(Application->ExeName, ".ini") );
unsigned int count;
count = Ini->ReadInteger("Options", "Level", 0);
Ini->WriteInteger("Options", "Level", count++);
FreeAndNil(Ini); // Unload and clear