public async Task LogoutAsync()
{
var closer = new InternalCloseRequestedEventArgs(CloseReason.None);
this.OnCloseRequested(closer);
await closer.WhenAll();
this.ErrorMessage = string.Empty;
if (this.DataBaseName != string.Empty)
{
await this.UnloadAsync();
}
await this.CloseAsync();
this.NotifyOfPropertyChange(nameof(this.CanLogin));
}
public async Task UnloadAsync()
{
if (this.DataBaseName == string.Empty)
{
throw new InvalidOperationException();
}
await this.CloseDocumentsAsync(false);
var args = new InternalCloseRequestedEventArgs(CloseReason.None);
this.OnUnloadRequested(args);
await args.WhenAll();
this.OnUnloading(EventArgs.Empty);
this.BeginProgress();
await this.LeaveDataBaseAsync();
this.dataBaseName = null;
this.IsLoaded = false;
this.EndProgress();
this.Refresh();
this.OnUnloaded(EventArgs.Empty);
}
