How to Install Personal Security Certificate in C# compact framework using PFXIsPFXBlob(), CertAddCertificateContextToStore() functions

Access web service with required personal security certificate - using x509 PFX personal certificate - Install Personal Security Certificate in C# compact framework. :

...
byte[] pfxData = GetFile(certificatePath);
...
CRYPT_DATA_BLOB pPFX = new CRYPT_DATA_BLOB();
pPFX.cbData = pfxData.Length;
pPFX.pbData = Marshal.AllocHGlobal(pfxData.Length);
Marshal.Copy(pfxData, 0, pPFX.pbData, pfxData.Length);
...
hMemStore  = PFXImportCertStore(ref pPFX, password, CRYPT_USER_KEYSET);
...
cert_MY_store = CryptoAPI.CertOpenStore(new IntPtr(CERT_STORE_PROV_SYSTEM_W),
                                                           0, 
                                                            IntPtr.Zero,
                                                            CERT_SYSTEM_STORE_CURRENT_USER, 
                                                            "MY");

...
...
CertAddCertificateContextToStore(cert_MY_store,
                                                               hCertCntxt,
                                                               (int)CERT_STORE_ADD_REPLACE_EXISTING, IntPtr.Zero)