WPF+MVVM案例实战（十九）- 自定义字体图标按钮的封装与实现（EF类）

凌霜残雪2024-11-04 0:06

文章目录

1、案例效果

1、按钮分类

在WPF开发中，最常见的就是按钮的使用，这里我们总结以下大概的按钮种类，然后分别实现对应的按钮。

A【纯文字按钮】 只有文字，但是会根据根据操作改变颜色

B【纯图片按钮 】只有图片，但是会有图片旋转或者变色特效

C【文字图片按钮】图片在左，文字在右边，有部分特效

D【文字图片按钮】图片在右，文字在左边，有部分特效

E【文字图片按钮】图片在上，文字在下，有部分特效

F【文字图片按钮】图片在下，文字在上，有部分特效

2、E类按钮功能实现与封装

1.文件创建与代码实现

打开 Wpf_Examples 项目，在自定义按钮类库中创建 ImageTextButton.cs 文件 和 ImageTextButton.xaml 资源样式文件。完成后如下图所示：

ImageTextButton.cs 代码如下所示：

csharp 复制代码 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace CustomControlLib.Buttons
{
    public class ImageTextButton : Button
    {
        public static readonly DependencyProperty ImageSourceProperty =
            DependencyProperty.Register("ImageSource", typeof(ImageSource), typeof(ImageTextButton));

        public ImageSource ImageSource
        {
            get => (ImageSource)GetValue(ImageSourceProperty);
            set => SetValue(ImageSourceProperty, value);
        }

        public static readonly DependencyProperty TextProperty =
            DependencyProperty.Register("Text", typeof(string), typeof(ImageTextButton));

        public string Text
        {
            get => (string)GetValue(TextProperty);
            set => SetValue(TextProperty, value);
        }

        public static readonly DependencyProperty IsDashedBorderProperty =
            DependencyProperty.Register("IsDashedBorder", typeof(bool), typeof(ImageTextButton), new PropertyMetadata(false, OnIsDashedBorderChanged));

        public bool IsDashedBorder
        {
            get => (bool)GetValue(IsDashedBorderProperty);
            set => SetValue(IsDashedBorderProperty, value);
        }

        private static void OnIsDashedBorderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((ImageTextButton)d).InvalidateVisual();
        }

        public ImageTextButton()
        {
            DefaultStyleKey = typeof(ImageTextButton);
        }
    }
}

ImageTextButton.xaml 样式代码如下：

csharp 复制代码 
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:CustomControlLib.Buttons">
    <Style TargetType="{x:Type local:ImageTextButton}">
        <Setter Property="Width" Value="60"/>
        <Setter Property="Height" Value="60"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type local:ImageTextButton}">
                    <Border x:Name="Border"
                     BorderBrush="Gray"
                     BorderThickness="1"
                     CornerRadius="8"
                     Background="Transparent"
                     SnapsToDevicePixels="true" Opacity="1" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="65*"/>
                                <RowDefinition Height="35*"/>
                            </Grid.RowDefinitions>
                            <Image x:Name="Image" Grid.Row="0"
                            Source="{TemplateBinding ImageSource}"
                            HorizontalAlignment="Center"
                            VerticalAlignment="Center" Margin="0 5 0 0" Opacity="1"/>
                            <TextBlock x:Name="TextBlock" Grid.Row="1"
                                Text="{TemplateBinding Text}"
                                HorizontalAlignment="Center"
                                VerticalAlignment="Center"
                                FontSize="14"
                                Foreground="Black" Opacity="1"/>
                        </Grid>
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter Property="Background" Value="LightGray" TargetName="Border"/>
                            <Setter Property="BorderThickness" Value="0" TargetName="Border"/>
                        </Trigger>
                        <Trigger Property="IsPressed" Value="True">
                            <Setter Property="Background" Value="DarkGray" TargetName="Border"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="True">
                            <Setter Property="Background" Value="DarkGray" TargetName="Border"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Foreground" Value="Gray"/>
                            <Setter Property="Background" Value="LightGray" TargetName="Border"/>
                        </Trigger>
                        <Trigger Property="IsDashedBorder" Value="True">
                            <Setter Property="IsEnabled" Value="false"/>
                            <Setter Property="Opacity" Value="0.6" TargetName="Border"/>
                            <Setter Property="Opacity" Value="0.6" TargetName="Image"/>
                            <Setter Property="Opacity" Value="0.6" TargetName="TextBlock"/>
                            <Setter Property="Foreground" Value="Gray"/>
                            <Setter Property="BorderBrush" TargetName="Border">
                                <Setter.Value>
                                    <VisualBrush Stretch="Fill" TileMode="Tile">
                                        <VisualBrush.Visual>
                                            <Rectangle StrokeDashArray="2 1" Stroke="Gray" StrokeThickness="1" Width="50" Height="50"/>
                                        </VisualBrush.Visual>
                                    </VisualBrush>
                                </Setter.Value>
                            </Setter>
                        </Trigger>

                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>

2、样式引用与封装

完成按钮样式后，只需要在 Generic.xaml 文件中引用 按钮样式即完成整个按钮的封装了，这样只要项目引用 自定义按钮库即可使用该自定义按钮了。

csharp 复制代码 
<ResourceDictionary.MergedDictionaries>
    <ResourceDictionary Source="pack://application:,,,/CustomControlLib;component/Themes/Buttons/IconFontButton.xaml" />
    <ResourceDictionary Source="pack://application:,,,/CustomControlLib;component/Themes/Buttons/FontIconButton.xaml" />
    <ResourceDictionary Source="pack://application:,,,/CustomControlLib;component/Themes/Buttons/ImageTextButton.xaml" />
</ResourceDictionary.MergedDictionaries>

3、F类按钮功能实现与封装

1、文件创建与代码实现

F类功能按钮其实就是E类按钮样式中图片与文本的交换，和CD类似。

在自定义控件库中新建 TextImageButton.cs 和样式文件 TextImageButton.xaml 。如下所示：

TextImageButton.cs 代码如下所示：

csharp 复制代码 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace CustomControlLib.Buttons
{
    public class TextImageButton : Button
    {
        public static readonly DependencyProperty ImageSourceProperty =
            DependencyProperty.Register("ImageSource", typeof(ImageSource), typeof(TextImageButton));

        public ImageSource ImageSource
        {
            get => (ImageSource)GetValue(ImageSourceProperty);
            set => SetValue(ImageSourceProperty, value);
        }

        public static readonly DependencyProperty TextProperty =
            DependencyProperty.Register("Text", typeof(string), typeof(TextImageButton));

        public string Text
        {
            get => (string)GetValue(TextProperty);
            set => SetValue(TextProperty, value);
        }

        public static readonly DependencyProperty IsDashedBorderProperty =
            DependencyProperty.Register("IsDashedBorder", typeof(bool), typeof(TextImageButton), new PropertyMetadata(false, OnIsDashedBorderChanged));

        public bool IsDashedBorder
        {
            get => (bool)GetValue(IsDashedBorderProperty);
            set => SetValue(IsDashedBorderProperty, value);
        }

        private static void OnIsDashedBorderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((TextImageButton)d).InvalidateVisual();
        }

        public TextImageButton()
        {
            DefaultStyleKey = typeof(TextImageButton);
        }
    }
}

TextImageButton.xaml 代码实现如下：

csharp 复制代码 
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                      xmlns:local="clr-namespace:CustomControlLib.Buttons">
    <Style TargetType="{x:Type local:TextImageButton}">
        <Setter Property="Width" Value="60"/>
        <Setter Property="Height" Value="60"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type local:TextImageButton}">
                    <Border x:Name="Border"
                 BorderBrush="Gray"
                 BorderThickness="1"
                 CornerRadius="8"
                 Background="Transparent"
                 SnapsToDevicePixels="true" Opacity="1" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="35*"/>
                                <RowDefinition Height="65*"/>
                            </Grid.RowDefinitions>
                            <TextBlock x:Name="TextBlock" Grid.Row="0" 
                                       Text="{TemplateBinding Text}" 
                                       HorizontalAlignment="Center" 
                                       VerticalAlignment="Center" 
                                       FontSize="14" 
                                       Foreground="Black" 
                                       Opacity="1"/>
                            <Image x:Name="Image" Grid.Row="1"
                        Source="{TemplateBinding ImageSource}"
                        HorizontalAlignment="Center"
                        VerticalAlignment="Center" Margin="0 5 0 0" Opacity="1"/>
                         
                        </Grid>
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter Property="Background" Value="LightGray" TargetName="Border"/>
                            <Setter Property="BorderThickness" Value="0" TargetName="Border"/>
                        </Trigger>
                        <Trigger Property="IsPressed" Value="True">
                            <Setter Property="Background" Value="DarkGray" TargetName="Border"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Foreground" Value="Gray"/>
                            <Setter Property="Background" Value="LightGray" TargetName="Border"/>
                        </Trigger>
                        <Trigger Property="IsDashedBorder" Value="True">
                            <Setter Property="IsEnabled" Value="false"/>
                            <Setter Property="Opacity" Value="0.6" TargetName="Border"/>
                            <Setter Property="Opacity" Value="0.6" TargetName="Image"/>
                            <Setter Property="Opacity" Value="0.6" TargetName="TextBlock"/>
                            <Setter Property="Foreground" Value="Gray"/>
                            <Setter Property="BorderBrush" TargetName="Border">
                                <Setter.Value>
                                    <VisualBrush Stretch="Fill" TileMode="Tile">
                                        <VisualBrush.Visual>
                                            <Rectangle StrokeDashArray="2 1" Stroke="Gray" StrokeThickness="1" Width="50" Height="50"/>
                                        </VisualBrush.Visual>
                                    </VisualBrush>
                                </Setter.Value>
                            </Setter>
                        </Trigger>

                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>

2、样式引用与封装

csharp 复制代码 
 <ResourceDictionary.MergedDictionaries>
     <ResourceDictionary Source="pack://application:,,,/CustomControlLib;component/Themes/Buttons/IconFontButton.xaml" />
     <ResourceDictionary Source="pack://application:,,,/CustomControlLib;component/Themes/Buttons/FontIconButton.xaml" />
     <ResourceDictionary Source="pack://application:,,,/CustomControlLib;component/Themes/Buttons/ImageTextButton.xaml" />
     <ResourceDictionary Source="pack://application:,,,/CustomControlLib;component/Themes/Buttons/TextImageButton.xaml" />
 </ResourceDictionary.MergedDictionaries>

完成按钮样式后，只需要在 Generic.xaml 文件中引用 按钮样式即完成整个按钮的封装了，这样只要项目引用 自定义按钮库即可使用该自定义按钮了。

3、按钮案例演示

1、页面实现与文件创建

这里我们继续在上一节的按钮文件界面上增加样式布局即可，如下所示：

csharp 复制代码 
         <Border Background="White" Grid.Row="2">
            <Grid >
                <Grid.ColumnDefinitions>
                    <ColumnDefinition/>
                    <ColumnDefinition/>
                </Grid.ColumnDefinitions>
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition/>
                        <RowDefinition/>
                    </Grid.RowDefinitions>
                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center"  HorizontalAlignment="Right">
                        <TextBlock Text="双按钮状态控制，边框同时虚线实线切换" FontSize="15" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="0 0 10 0"/>
                        <cc:ImageTextButton Text="开始生产" ToolTip="开始生产"  IsDashedBorder="{Binding SystemStatus}" Command="{Binding ButtonClickCmd}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=ToolTip}" Width="70" Height="70" Margin="0,0,5,0" ImageSource="pack://application:,,,/Wpf_Examples;component/Assets/Images/Start.png"/>
                        <cc:ImageTextButton Text="停止生产" ToolTip="停止生产"   IsDashedBorder="{Binding SystemStatus,Converter={StaticResource InverseBooleanConverter}}" Command="{Binding ButtonClickCmd}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=ToolTip}" Width="70" Height="70" Margin="0,0,5,0" ImageSource="pack://application:,,,/Wpf_Examples;component/Assets/Images/Stop.png"/>
                    </StackPanel>

                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center"  HorizontalAlignment="Right" Grid.Row="1">
                        <TextBlock Text="单按钮状态控制，切换背景图片和文本" FontSize="15" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="0 0 10 0"/>
                        <cc:ImageTextButton Text="{Binding ButtonName}" Command="{Binding SingleButtonClickCmd}" ImageSource="{Binding ImageSource}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=Text}" Width="70" Height="70" Margin="0,0,5,0" />
                    </StackPanel>
                </Grid>

                <Grid Grid.Column="1">
                    <Grid.RowDefinitions>
                        <RowDefinition/>
                        <RowDefinition/>
                    </Grid.RowDefinitions>
                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center"  HorizontalAlignment="Right">
                        <TextBlock Text="双按钮状态控制，边框同时虚线实线切换" FontSize="15" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="0 0 10 0"/>
                        <cc:TextImageButton Text="开始生产" ToolTip="开始生产"  IsDashedBorder="{Binding SystemStatus}" Command="{Binding ButtonClickCmd}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=ToolTip}" Width="70" Height="70" Margin="0,0,5,0" ImageSource="pack://application:,,,/Wpf_Examples;component/Assets/Images/Start.png"/>
                        <cc:TextImageButton Text="停止生产" ToolTip="停止生产"   IsDashedBorder="{Binding SystemStatus,Converter={StaticResource InverseBooleanConverter}}" Command="{Binding ButtonClickCmd}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=ToolTip}" Width="70" Height="70" Margin="0,0,5,0" ImageSource="pack://application:,,,/Wpf_Examples;component/Assets/Images/Stop.png"/>
                    </StackPanel>
                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center"  HorizontalAlignment="Right" Grid.Row="1">
                        <TextBlock Text="单按钮状态控制，切换背景图片和文本" FontSize="15" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="0 0 10 0"/>
                        <cc:TextImageButton Text="{Binding ButtonName}" Command="{Binding SingleButtonClickCmd}" ImageSource="{Binding ImageSource}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=Text}" Width="70" Height="70" Margin="0,0,5,0" />
                    </StackPanel>
                </Grid>
            </Grid>
        </Border>

ButtonViewModel.cs 后台功能代码实现如下：

csharp 复制代码 
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media.Imaging;
using Wpf_Examples.Views;

namespace Wpf_Examples.ViewModels
{
    public class ButtonViewModel:ObservableObject
    {

        /// <summary>
        /// 生产状态按钮名称
        /// </summary>
        private string buttonName;
        public string ButtonName
        {
            get { return buttonName; }
            set { SetProperty(ref buttonName, value); }
        }

        /// <summary>
        /// 系统运行状态
        /// </summary>
        private bool systemStatus = false;
        public bool SystemStatus
        {
            get { return systemStatus; }
            set { SetProperty(ref systemStatus, value); }
        }
        /// <summary>
        /// 产线状态
        /// </summary>
        private bool productStatus = false;
        public bool ProductStatus
        {
            get { return productStatus; }
            set { SetProperty(ref productStatus, value); }
        }


        /// <summary>
        /// 生产状态背景图
        /// </summary>
        private BitmapImage imageSource;
        public BitmapImage ImageSource
        {
            get { return imageSource; }
            set { SetProperty(ref imageSource, value); }
        }


        public RelayCommand<string> ButtonClickCmd { get; set; }

        public RelayCommand SingleButtonClickCmd { get; set; }

        public ButtonViewModel() {
            ButtonClickCmd = new RelayCommand<string>(BtnFun);

            SingleButtonClickCmd = new RelayCommand(StatusChange);

            StatusChange();
        }

        private void BtnFun(string obj)
        {
            switch (obj)
            {
                case "播放":
                    MessageBox.Show("播放按钮是假的,不能播放,哈哈哈哈.....","提示",MessageBoxButton.OK);
                    break;
                case "错误":
                    MessageBox.Show("系统报错了，别怕，假的啦,哈哈哈哈.....", "提示", MessageBoxButton.OK);
                    break;
                case "删除":
                    MessageBox.Show("想要删除我，那是不可能的，哈哈哈哈.....", "提示", MessageBoxButton.OK);
                    break;
                case "开始生产":
                    SystemStatus = true;
                    break;
                case "停止生产":
                    SystemStatus = false;
                    break;
            }
        }

        private void StatusChange()
        {
            if (!ProductStatus)
            {
                ButtonName = "开始生产";
                ImageSource = new BitmapImage(new Uri("pack://application:,,,/Wpf_Examples;component/Assets/Images/Start.png"));
                ProductStatus = true;
            }
            else
            {
                ButtonName = "停止生产";
                ImageSource = new BitmapImage(new Uri("pack://application:,,,/Wpf_Examples;component/Assets/Images/Stop.png"));
                ProductStatus = false;
            }

        }
    }
}

2、运行效果如下

4、源代码获取

源代码是整个按钮系类的全部代码。下载后可直接运行，按钮时独立封装在自定义控件类库中，任何项目只需要拷贝这个自定义控件库引用即可使用。

CSDN 源代码下载链接：多种类型的自定义按钮控件实现与封装

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