Тестирование знаний C# (WPF)

Задание

Создание приложения для проверки знаний учеников.

Функционал программы

• Создание и обновление тестов.
• Сохранение тестов в json.
• Удаление тестов.
• Прохождение теста.

Использованные технологии:

• C# +  WPF(MVVM);

Фрагмент программного кода(страница прохождения теста)

<Window x:Class="TestProgram.Views.QuizPage"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:TestProgram.Views"
        mc:Ignorable="d"
        Title="QuizPage" Height="500" Width="800" 
        xmlns:viewmodels ="clr-namespace:TestProgram.ViewModels"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        Background="#e6e6e6"
        d:DataContext="{d:DesignInstance Type=viewmodels:QuizViewModel}" WindowStyle="None" WindowStartupLocation="CenterScreen" ResizeMode="NoResize" MouseDown="Window_MouseDown"  >
    <Window.Resources>
        <ResourceDictionary>
            <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
        </ResourceDictionary>
    </Window.Resources>
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="10*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="10*"/>
        </Grid.RowDefinitions>
        <Button Grid.Row="0" Grid.Column="1" Style="{StaticResource MaterialDesignFloatingActionMiniAccentButton}" Background="{x:Null}" BorderBrush="{x:Null}" HorizontalAlignment="Right" Width="30" Height="30" Margin="5" Command="{Binding CloseWindowCommand}">
            <materialDesign:PackIcon Kind="Close" VerticalAlignment="Center" Width="20" Height="20" Foreground="#FF673AB7" />
        </Button>
        <StackPanel Grid.Row="1" Grid.Column="1" Visibility="{Binding IsChooseQuizButtonVisible, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource BooleanToVisibilityConverter}}" Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center" MinWidth="300">
            <ComboBox  materialDesign:HintAssist.Hint="Выберите тест" ItemsSource="{Binding Quizes, UpdateSourceTrigger=PropertyChanged}" SelectedValue="{Binding SelectedQuiz}" DisplayMemberPath="Title" Margin="5" />
            <StackPanel Orientation="Vertical" Margin="5">
                <TextBlock Text="{Binding SelectedQuiz.Category, UpdateSourceTrigger=PropertyChanged, StringFormat=Категория: {0}}" Margin="5"/>
                <TextBlock Text="{Binding SelectedQuiz.QuestionsCount, UpdateSourceTrigger=PropertyChanged, StringFormat=Вопросов в тесте: {0}}" Margin="5"/>
                <TextBlock Text="{Binding SelectedQuiz.Description, UpdateSourceTrigger=PropertyChanged, StringFormat=Описание: {0}}" Margin="5"/>
            </StackPanel>
            
            <Button Content="Начать тест" Command="{Binding StartQuizCommand}" Margin="5" />
        </StackPanel>

        <StackPanel Grid.Row="1" Grid.Column="1" Visibility="{Binding IsShowQuestionsEnabled, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource BooleanToVisibilityConverter}}" Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center" MinWidth="300">
            <TextBlock Margin="5" VerticalAlignment="Center" HorizontalAlignment="Center" FontSize="15">
                <TextBlock.Text>
                    <MultiBinding StringFormat="{}Вопрос: {0}/{1}">
                        <Binding Path="NumberOfCurrentQuestion"/>
                        <Binding Path="SelectedQuiz.QuestionsCount"/>
                    </MultiBinding>
                </TextBlock.Text>
            </TextBlock>
            <TextBlock FontSize="15" Text="{Binding SelectedQuestion.QuestionName, UpdateSourceTrigger=PropertyChanged}" Margin="5" FontWeight="Bold"/>
            <ComboBox FontSize="15" materialDesign:HintAssist.Hint="Правильный ответ" ItemsSource="{Binding SelectedQuestion.Answers, UpdateSourceTrigger=PropertyChanged}" SelectedValue="{Binding SelectedAnswer, UpdateSourceTrigger=PropertyChanged}" DisplayMemberPath="AnswerTitle" />
            <Button  Content="Следующий вопрос" Command="{Binding NextQuestionCommand}" Margin="10" Visibility="{Binding IsNextQuestionVisible, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource BooleanToVisibilityConverter}}"  />
            <Button  Content="Закончить тест" Command="{Binding EndQuizCommand}" Margin="10" Visibility="{Binding IsLastQuestionVisible, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource BooleanToVisibilityConverter}}" />
        </StackPanel>

    </Grid>
</Window>

Содержание архива

• исходный код программы