[C#/MAUI/.NET6] VariableMultiValueConverter 엘리먼트 : 복수 진리 값 → 단일 진리 값 변환자 사용하기

TestProject.zip

0.15MB

▶ MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
    xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit">
    <ContentPage.Resources>
        <toolkit:VariableMultiValueConverter x:Key="VariableMultiValueConverterKey"
            ConditionType="LessThan"
            Count="2" />
    </ContentPage.Resources>
    <Label
        HorizontalOptions="Center"
        VerticalOptions="Center"
        FontSize="24">
        <Label.Text>
            <MultiBinding Converter="{StaticResource VariableMultiValueConverterKey}">
                <Binding Path="SelectedValue1" />
                <Binding Path="SelectedValue2" />
                <Binding Path="SelectedValue3" />
            </MultiBinding>
        </Label.Text>
    </Label>
</ContentPage>

 

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▶ MainPage.xaml.cs

namespace TestProject;

/// <summary>
/// 메인 페이지
/// </summary>
public partial class MainPage : ContentPage
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Property
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 선택 값 1 - SelectedValue1

    /// <summary>
    /// 선택 값 1
    /// </summary>
    public int SelectedValue1 { get; set; }

    #endregion
    #region 선택 값 2 - SelectedValue2

    /// <summary>
    /// 선택 값 2
    /// </summary>
    public int SelectedValue2 { get; set; }

    #endregion
    #region 선택 값 3 - SelectedValue3

    /// <summary>
    /// 선택 값 3
    /// </summary>
    public int SelectedValue3 { get; set; }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainPage()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainPage()
    {
        InitializeComponent();

        SelectedValue1 = 10;
        SelectedValue2 = 0;
        SelectedValue3 = 1;

        BindingContext = this;
    }

    #endregion
}

 

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▶ MauiProgram.cs

using CommunityToolkit.Maui;

namespace TestProject;

/// <summary>
/// MAUI 프로그램
/// </summary>
public static class MauiProgram
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Public

    #region MAUI 앱 생성하기 - CreateMauiApp()

    /// <summary>
    /// MAUI 앱 생성하기
    /// </summary>
    /// <returns>MAUI 앱</returns>
    public static MauiApp CreateMauiApp()
    {
        MauiAppBuilder builder = MauiApp.CreateBuilder();

        builder
            .UseMauiApp<App>()
            .UseMauiCommunityToolkit()
            .ConfigureFonts
            (
                fontCollection =>
                {
                    fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" );
                    fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
                }
            );

        return builder.Build();
    }

    #endregion
}