Use variables from a main screen on a second screen

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I’m making an application on windows phone, in which I have the main screen ( first screen ), and on this screen is made a calculation, where the result will be displayed on a second screen. My question is as follows; How do I display/use these variables from the main screen on that second screen ? Thanks

c# windows-phone-8-1

1 answer

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I don’t know if it’s the right way or the easiest way, but you can pass the variable as a parameter of the link used to navigate to page 2 and set in page 2 an Onnavigatedto method to receive this parameter, see.

On page 1:

private void btnNavegar_Click(object sender, RoutedEventArgs e) 
{ 
Uri caminho = new Uri("/Pagina2.xaml?parametro=" + txtParametro.Text,UriKind.RelativeOrAbsolute); 
NavigationService.Navigate(caminho); 
}

On page 2:

protected override void OnNavigatedTo(NavigationEventArgs e) 
{ 
  base.OnNavigatedTo(e); 
  string parametroRecebido; 
  if (NavigationContext.QueryString.TryGetValue("parametro", out parametroRecebido))
       { 
          MessageBox.Show("O paramêtro recebido foi : " + parametroRecebido); 
       } 
 }

  • It worked here , worth :DDD, but if I want to pass more than one parameter, how do I do ? worth dnv:DD

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