[C#/MAUI/.NET6] CommunityToolkit MVVM 패턴에서 명령에 인자 전달하기

TestProject.zip

0.15MB

▶ MainPageViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;

namespace TestProject
{
    /// <summary>
    /// 메인 페이지 뷰 모델
    /// </summary>
    [INotifyPropertyChanged]
    public partial class MainPageViewModel
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 입력 텍스트
        /// </summary>
        [ObservableProperty]
        private string inputText = null;

        #endregion

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

        #region 생성자 - MainPageViewModel()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainPageViewModel()
        {
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 초기화하기 - Reset()

        /// <summary>
        /// 초기화하기
        /// </summary>
        [RelayCommand]
        private void Reset()
        {
            InputText = string.Empty;
        }

        #endregion
        #region 시간 표시하기 - ShowTime(format)

        /// <summary>
        /// 시간 표시하기
        /// </summary>
        /// <param name="format">포맷 문자열</param>
        [RelayCommand]
        private void ShowTime(string format)
        {
            InputText = DateTime.Now.ToString(format);
        }

        #endregion
    }
}

 

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▶ 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:local="clr-namespace:TestProject">
    <ContentPage.BindingContext>
        <local:MainPageViewModel />
    </ContentPage.BindingContext>
    <VerticalStackLayout 
        HorizontalOptions="Center"
        VerticalOptions="Center"
        Spacing="10">
        <Entry
            HorizontalOptions="Center"
            Placeholder="텍스트를 입력해 주시기 바랍니다."
            FontSize="16"
            Text="{Binding InputText}" />
        <Button
            HorizontalOptions="Center"
            Text="초기화"
            Command="{Binding ResetCommand}" />
        <Button 
            HorizontalOptions="Center"
            Text="시간 표시"
            CommandParameter="HH:mm:ss"
            Command="{Binding ShowTimeCommand}" />
    </VerticalStackLayout>
</ContentPage>