[C#/WINUI3/.NET8] x:Bind 태그 확장 : FallbackValue 속성을 사용해 바인딩 실패시 기본값 설정하기

icodebroker MICROSOFT 2024-07-26

■ x:Bind 태그 확장의 FallbackValue 속성을 사용해 바인딩 실패시 기본값을 설정하는 방법을 보여준다.

▶ 예제 코드 (XAML)


<?xml version="1.0" encoding="utf-8"?>
<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <StackPanel
        HorizontalAlignment="Center"
        VerticalAlignment="Center"
        Spacing="10">
        <CheckBox Name="checkBox"
            HorizontalAlignment="Center"
            Content="I agree to the terms of service." />
        <Button
            HorizontalAlignment="Center"
            Padding="10"
            Content="Submit"
            IsEnabled="{x:Bind (x:Boolean)checkBox.IsChecked, Mode=OneWay, FallbackValue=False}" />
    </StackPanel>
</Page>

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<?xml version="1.0" encoding="utf-8"?>

<Page x:Class="TestProject.MainPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"

FontFamily="나눔고딕코딩"

FontSize="16">

<StackPanel

HorizontalAlignment="Center"

VerticalAlignment="Center"

Spacing="10">

<CheckBox Name="checkBox"

HorizontalAlignment="Center"

Content="I agree to the terms of service." />

<Button

HorizontalAlignment="Center"

Padding="10"

Content="Submit"

IsEnabled="{x:Bind (x:Boolean)checkBox.IsChecked, Mode=OneWay, FallbackValue=False}" />

</StackPanel>

</Page>

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.NET8 BINDING C# MARKUP EXTENSION MICROSOFT WINUI3 XAML

icodebroker

[C#/WINUI3/.NET8] x:Bind 태그 확장 : FallbackValue 속성을 사용해 바인딩 실패시 기본값 설정하기

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