C# WPF計算器界面（Calculator Design With Animations）

閱讀導航：app

1、先看效果
2、本文背景
3、代碼實現
4、文章參考
5、代碼下載

1、先看效果

2、本文背景

YouTube Design com WPF 大神處習得，簡單的計算器佈局界面 + 簡單動畫，使用的開源 C# WPF控件庫 MaterialDesignInXAML ，本站曾有介紹：開源C# WPF控件庫《MaterialDesignInXAML》。佈局

3、代碼實現

3.1 添加Nuget庫

站長使用.Net Core 3.1建立的WPF工程，建立「Calculator」解決方案後，須要添加兩個Nuget庫：MaterialDesignThemes和MaterialDesignColors，上圖的效果是使用該控件庫實現的，很是強大。學習

3.2 工程結構

不須要截圖，只修改了兩個文件，App.xaml添加MD控件樣式，MainWindow主窗口實現效果。動畫

3.3 App.xaml引入MD控件樣式

<Application x:Class="Calculator.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:Calculator"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
            </ResourceDictionary.MergedDictionaries>
            <!--PRIMARY-->
            <SolidColorBrush x:Key="PrimaryHueLightBrush" Color="#349fda"/>
            <SolidColorBrush x:Key="PrimaryHueLightForegroundBrush" Color="#FF777777"/>
            <SolidColorBrush x:Key="PrimaryHueMidBrush" Color="#FF222222"/>
            <SolidColorBrush x:Key="PrimaryHueMidForegroundBrush" Color="#DDDDDD"/>
            <SolidColorBrush x:Key="PrimaryHueDarkBrush" Color="#FF000000"/>
            <SolidColorBrush x:Key="PrimaryHueDarkForegroundBrush" Color="#FFFFFF"/>
            <!--ACCENT-->
            <SolidColorBrush x:Key="SecondaryAccentBrush" Color="#FFD14C25"/>
            <SolidColorBrush x:Key="SecondaryAccentForegroundBrush" Color="#FFFFFF"/>
        </ResourceDictionary>
    </Application.Resources>
</Application>

3.4 主窗體

MainWindow.xaml，總體佈局，看上圖加上下面的界面代碼，本文基本就是佈局 + 簡單動畫，全在這個界面，直接看代碼吧，不細說了：ui

<Window x:Class="Calculator.MainWindow"
        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:Calculator"
        mc:Ignorable="d"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        Height="550" Width="300" AllowsTransparency="True"
        WindowStyle="None" ResizeMode="NoResize" MouseDown="Window_MouseDown"
        WindowStartupLocation="CenterScreen">
    <Window.Resources>
        <Storyboard x:Key="PowerOff">
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="grid">
                <DiscreteObjectKeyFrame KeyTime="0:0:0.2" Value="{x:Static Visibility.Visible}"/>
                <DiscreteObjectKeyFrame KeyTime="0:0:1.5" Value="{x:Static Visibility.Visible}"/>
            </ObjectAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="grid">
                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="0"/>
                <EasingDoubleKeyFrame KeyTime="0:0:1.5" Value="1"/>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
        <Storyboard x:Key="PowerOn">
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="grid">
                <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}"/>
                <DiscreteObjectKeyFrame KeyTime="0:0:1.3" Value="{x:Static Visibility.Visible}"/>
                <DiscreteObjectKeyFrame KeyTime="0:0:1.5" Value="{x:Static Visibility.Collapsed}"/>
            </ObjectAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="grid">
                <EasingDoubleKeyFrame KeyTime="0" Value="1"/>
                <EasingDoubleKeyFrame KeyTime="0:0:1.3" Value="0"/>
                <EasingDoubleKeyFrame KeyTime="0:0:1.5" Value="0"/>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
    </Window.Resources>
    <Window.Triggers>
        <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="ButtonPowerOff">
            <BeginStoryboard Storyboard="{StaticResource PowerOff}"/>
        </EventTrigger>
        <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="ButtonPowerOn">
            <BeginStoryboard Storyboard="{StaticResource PowerOn}"/>
        </EventTrigger>
    </Window.Triggers>
    <Border Background="#E5000000" CornerRadius="10">
        <Grid>
            <StackPanel>
                <Grid Height="210">
                    <StackPanel>
                        <Button HorizontalAlignment="Left" Margin="10" Style="{StaticResource MaterialDesignFlatButton}" Foreground="{StaticResource PrimaryHueMidForegroundBrush}">
                            <materialDesign:PackIcon Kind="Menu" Foreground="{StaticResource PrimaryHueLightForegroundBrush}"/>
                        </Button>
                        <TextBlock FontSize="15" FontFamily="Oswald" Text="30 + 20 = 50" TextAlignment="Right"
                                   Foreground="{StaticResource PrimaryHueLightForegroundBrush}" Margin="20 0 20 10"/>
                    </StackPanel>
                    <StackPanel VerticalAlignment="Bottom">
                        <TextBlock FontSize="20" FontFamily="Oswald" Text="30 + 47 + 32 -" TextAlignment="Right"
                                   Foreground="{StaticResource PrimaryHueLightForegroundBrush}" Margin="20 0"/>
                        <TextBlock FontSize="50" FontFamily="Oswald" Text="13" TextAlignment="Right"
                                   Foreground="#FF5885A4" Margin="20 0">
                            <TextBlock.Effect>
                                <DropShadowEffect BlurRadius="10" ShadowDepth="1" Color="#FF5885A4"/>
                            </TextBlock.Effect>
                        </TextBlock>
                    </StackPanel>
                </Grid>
                <Rectangle Height="1" Fill="Gray" Margin="10 0"/>
                <Grid>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="1*"/>
                        <ColumnDefinition Width="1*"/>
                        <ColumnDefinition Width="1*"/>
                        <ColumnDefinition Width="1*"/>
                    </Grid.ColumnDefinitions>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                    </Grid.RowDefinitions>

                    <Button Grid.Column="0" Grid.Row="0" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="LetterC" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="1" Grid.Row="0" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="PlusMinus" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="2" Grid.Row="0" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Percent" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="3" Grid.Row="0" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Division" Width="30" Height="30"/>
                    </Button>
                    
                    <Button Grid.Column="0" Grid.Row="1" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number7" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="1" Grid.Row="1" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number8" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="2" Grid.Row="1" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number9" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="3" Grid.Row="1" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Multiplication" Width="30" Height="30"/>
                    </Button>

                    <Button Grid.Column="0" Grid.Row="2" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number4" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="1" Grid.Row="2" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number5" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="2" Grid.Row="2" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number6" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="3" Grid.Row="2" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Minus" Width="30" Height="30"/>
                    </Button>

                    <Button Grid.Column="0" Grid.Row="3" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number1" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="1" Grid.Row="3" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number2" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="2" Grid.Row="3" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number3" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="3" Grid.Row="3" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Plus" Width="30" Height="30"/>
                    </Button>

                    <Button x:Name="ButtonPowerOff" Grid.Column="0" Grid.Row="4" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Power" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="1" Grid.Row="4" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Number0" Width="30" Height="30"/>
                    </Button>
                    <Button Grid.Column="2" Grid.Row="4" Margin="5" Content="."
                            Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                    </Button>
                    <Button Grid.Column="3" Grid.Row="4" Margin="5"
                            Style="{StaticResource MaterialDesignFloatingActionAccentButton}"
                            BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                        <materialDesign:PackIcon Kind="Equal" Width="30" Height="30"/>
                    </Button>
                </Grid>
            </StackPanel>
            <Border x:Name="grid" CornerRadius="10" Background="Black" Visibility="Collapsed" Opacity="0">
                <Button x:Name="ButtonPowerOn" Grid.Column="0" Grid.Row="1" Margin="5" Width="150" Height="150"
                        Style="{StaticResource MaterialDesignFloatingActionDarkButton}"
                        BorderThickness="1" BorderBrush="{StaticResource PrimaryHueMidBrush}">
                    <materialDesign:PackIcon Kind="Power" Width="80" Height="80"/>
                </Button>
            </Border>
        </Grid>
    </Border>
</Window>

後臺簡單的事件spa

private void Window_MouseDown(object sender, MouseButtonEventArgs e)
{
    DragMove();
}

4、文章參考

可直接打開大神視頻學習，他的YouTube上還有不少代碼視頻哦，參考：
參考視頻： Design com WPF： https://www.youtube.com/watch?v=G76O79eLcKM.net

5、代碼下載

文章中代碼已經所有貼出，添加Nuget包，複製文中代碼就能夠運行了。

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