public async Task InitializeAsync()
{
if (((App)App.Current).CurrentIntrataApiClient == null && ((App)App.Current).SettingApp.IntrataApiServer != null)
{
((App)App.Current).CurrentIntrataApiClient = new IntrataApiClient(((App)App.Current).SettingApp.IntrataApiServer);
}
var api = ((App)App.Current).CurrentIntrataApiClient;
List <InstallationBase> linstalls = await api.GetCollectionsAsync <InstallationBase>(null, ApiServices.ApiInstallation(), false, "", RestSharp.Portable.Method.GET);
Installations = new ObservableCollection <InstallationViewModel>(linstalls.Select(e => new InstallationViewModel(e)));
}