UWP C# Yes/No pop-up window and one more thing.

VoyTec 671 Reputation points
2022-11-02T19:21:42.077+00:00

Greetings and thank you guys for help so far...

Today I am facing two another issues.

  1. I want to make a pop-up window with yes/no option, and then use the selection into a code.
  2. Another thingy is I am using a NuGet for Number boxes, cause Visual Studio 2022 is lack of it, or am I missing something? And the problem is that this NuGet isn't perfect, in a matter of fact it is really bugged. Is there, a way to find a perfect working box with values only, for calculations?
Universal Windows Platform (UWP)
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Accepted answer
  1. Junjie Zhu - MSFT 16,151 Reputation points Microsoft Vendor
    2022-11-04T07:05:48.383+00:00

    Using NumberBox directly doesn't seem to meet your needs.
    Use Regex like this in the TextBox to delete the character when the user enters non-numeric character.

    Page.xaml

     <TextBox TextChanged="TextBox_TextChanged" />  
    

    Page.xaml.cs

    private void TextBox_TextChanged(object sender, TextChangedEventArgs e)  
        {  
            var textbox = (TextBox)sender;  
            if (!Regex.IsMatch(textbox.Text, "^\\d*\\.?\\d*$") && textbox.Text != "")  
            {  
                int txtPos = textbox.SelectionStart - 1;  
                textbox.Text = textbox.Text.Remove(txtPos, 1);  
                textbox.SelectionStart = txtPos;  
            }       
        }  
    
    1 person found this answer helpful.

1 additional answer

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  1. Junjie Zhu - MSFT 16,151 Reputation points Microsoft Vendor
    2022-11-03T06:28:16.913+00:00

    Hello @VoyTec
    Welcome to Microsoft Q&A!

    1. I want to make a pop-up window with yes/no option, and then use the selection into a code.

    It is recommended to use MessageDialog Class, which can achieve your needs.

    Page.xaml

        <Button Content="Button" Margin="694,478,0,0" VerticalAlignment="Top" Click="Button_Click" Height="104" Width="170"/>  
        <TextBlock x:Name="tb"  Margin="203,182,203,649" FontSize="20"/>  
    

    Page.xaml.cs

       private void Button_Click(object sender, RoutedEventArgs e)  
        {  
            this.tb.Text = "";       
            ShowMessageDialog();  
               
        }  
    
        private async void ShowMessageDialog()  
        {  
            var msgDialog = new Windows.UI.Popups.MessageDialog("I am a reminder") { Title = "Tip title" };  
            msgDialog.Commands.Add(new Windows.UI.Popups.UICommand("OK", uiCommand => { this.tb.Text = $"You click:{uiCommand.Label}"; }));  
            msgDialog.Commands.Add(new Windows.UI.Popups.UICommand("Cancel", uiCommand => { this.tb.Text = $"You click:{uiCommand.Label}"; }));  
            await msgDialog.ShowAsync();  
        }  
    
    1. And the problem is that this NuGet isn't perfect, in a matter of fact it is really bugged. Is there, a way to find a perfect working box with values only, for calculations?

    Are you using the NumberBox of WInUI? What specific problems did you encounter during use?

    Thank you.
    Junjie