private async void buttonChangePIN_Click(object sender, RoutedEventArgs e)
{
string newpin = textNewPIN.Text;
string currentpin = textCurrentPIN.Text;
var ret = await Credentials.ChangePin(devParam, newpin, currentpin);
if (ret.isSuccess == true)
{
textStatus.Text = "Success! " + ret.msg;
}
else
{
textStatus.Text = "Failed! " + ret.msg;
}
}
