//Checks if yes or no was clicked.
private async void Button_Click(object sender, RoutedEventArgs e)
{
Button btn = (Button)sender;
bool val;
if (btn.Name == "btnNo")
{
val = false;
}
else if (btn.Name == "btnYes")
{
val = true;
}
else
{
val = false;
}
if (mainPage.FaceMode == "Front")
{
mainPage.frontImageConfirm(val);
}
else
{
await mainPage.sideImageConfirmAsync(val);
}
}