[C#/WINUI3/COMMUNITY TOOLKIT/.NET8] FileSizeToFriendlyStringConverter 엘리먼트 : 파일 바이트 수→파일 크기 표시명 변환자 설정하기

■ FileSizeToFriendlyStringConverter 엘리먼트를 사용해 파일 바이트 수→파일 크기 표시명 변환자를 설정하는 방법을 보여준다.

※ 비주얼 스튜디오에서 TestProject(Unpackaged) 모드로 빌드한다.
※ TestProject.csproj 프로젝트 파일에서 WindowsPackageType 태그를 None으로 추가했다.

▶ MainPage.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"
    xmlns:ctwcv="using:CommunityToolkit.WinUI.Converters"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Page.Resources>
        <ctwcv:FileSizeToFriendlyStringConverter x:Key="FileSizeToFriendlyStringConverterKey" />
    </Page.Resources>
    <StackPanel
        HorizontalAlignment="Center"
        VerticalAlignment="Center"
        Orientation="Vertical"
        Spacing="10">
        <TextBlock>
            <Run Text="Original value (Bytes) :" />
            <Run
                FontWeight="SemiBold"
                Text="{x:Bind FileSizeInByteCount}" />
        </TextBlock>
        <TextBlock>
            <Run Text="Converted string :" />
            <Run
                FontWeight="SemiBold"
                Text="{x:Bind FileSizeInByteCount, Converter={StaticResource FileSizeToFriendlyStringConverterKey}}" />
        </TextBlock>
    </StackPanel>
</Page>

<?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"

xmlns:ctwcv="using:CommunityToolkit.WinUI.Converters"

Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"

FontFamily="나눔고딕코딩"

FontSize="16">

<Page.Resources>

<ctwcv:FileSizeToFriendlyStringConverter x:Key="FileSizeToFriendlyStringConverterKey" />

</Page.Resources>

<StackPanel

HorizontalAlignment="Center"

VerticalAlignment="Center"

Orientation="Vertical"

Spacing="10">

<Run

FontWeight="SemiBold"

Text="{x:Bind FileSizeInByteCount}" />

</TextBlock>

<Run

FontWeight="SemiBold"

Text="{x:Bind FileSizeInByteCount, Converter={StaticResource FileSizeToFriendlyStringConverterKey}}" />

</TextBlock>

</StackPanel>

</Page>

▶ MainPage.xaml.cs


using Microsoft.UI.Xaml.Controls;

namespace TestProject;

/// <summary>
/// 메인 페이지
/// </summary>
public sealed partial class MainPage : Page
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region Field

    /// <summary>
    /// 파일 크기 (바이트 수)
    /// </summary>
    public long FileSizeInByteCount = 2400000;

    #endregion

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

    #region 생성자 - MainPage()

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

    #endregion
}

using Microsoft.UI.Xaml.Controls;

namespace TestProject;

/// <summary>

/// 메인 페이지

/// </summary>

public sealed partial class MainPage : Page

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 파일 크기 (바이트 수)

/// </summary>

public long FileSizeInByteCount = 2400000;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainPage()

/// <summary>

/// 생성자

/// </summary>

public MainPage()

{

InitializeComponent();

}

#endregion

}

TestProject.zip