用MASM32编程获取并显示WinRAR的路径

, ADDR g_hRegKey4IE
    .if eax!=ERROR_SUCCESS
        m_m2m eax, 1
        ret
    .endif

;     LONG RegQueryValueEx(
;         HKEY hKey,          // 1.handle of key to query
;         LPTSTR lpValueName, // 2.address of name of value to query
;         LPDWORD lpReserved, // 3.reserved
;         LPDWORD lpType,     // 4.address of buffer for value type
;         LPBYTE lpData,      // 5.address of data buffer
;         LPDWORD lpcbData    // 6.address of data buffer size
;     );

    m_m2m dwcbData, SIZEOF g_szRarPath
    invoke RegQueryValueEx, g_hRegKey4IE, ADDR g_szValueName, NULL, NULL, ADDR g_szRarPath, ADDR dwcbData

    .if eax!=ERROR_SUCCESS
        m_m2m eax, 2
    .else
        xor eax, eax
    .endif

; LONG RegCloseKey(
;     HKEY hKey     // handle of key to close  
; );
    invoke RegCloseKey, g_hRegKey4IE

    ret
GetRarPath ENDP

end start