private void ApplicationBarIconButton_Click_1(object sender, EventArgs e)
{
UploadPhotosSoapClient soapClient = new UploadPhotosSoapClient();
this.toggleButton.IsEnabled = false;
this.flag = !this.flag;
this.toggleButton.IconUri = this.flag ? new Uri("/Assets/AppBar/add.png", UriKind.Relative) : new Uri("/Assets/AppBar/minus.png", UriKind.Relative);
soapClient.ToggleCompleted += (o, args) =>
{
this.toggleButton.IsEnabled = true;
};
soapClient.ToggleAsync();
}
