/// <summary>
        /// Constructeur
        /// </summary>
        public PatientManagementViewModel()
        {
            // Set-up commands
            CreatePatientCommand = new RelayCommand(param => CreatePatient(), param => true);
            AllPatientCommand = new RelayCommand(param => AllPatient(), param => true);

            // Loading default viewmodel
            CurrentViewModel = new AllPatientViewModel();
        }
 /// <summary>
 /// liste patients
 /// </summary>
 private void AllPatient()
 {
     CurrentViewModel = new AllPatientViewModel();
 }