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.NET CORE(C#) WPF 方便的实现用户控件切换(祝大家新年快乐)

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.NET CORE(C#) WPF 方便的实现用户控件切换(祝大家新年快乐)

快到2020年了,祝大家新年快乐,今年2019最后一更,谢谢大家支持!

阅读导航

  1. 本文背景
  2. 代码实现
  3. 本文参考
  4. 源码

1. 本文背景

一个系统主界面,放上一个菜单,点击菜单在客户区切换不同的展示界面,这是很常规的设计,见下面展示效果图:

技术图片

左侧一个菜单,点击菜单,右侧切换界面,界面切换动画使用MD控件的组件实现(自己使用动画也能实现)。

2. 代码实现

使用 .NET CORE 3.1 创建名为 “MenuChange” 的WPF模板项目,添加1个Nuget库:MaterialDesignThemes,版本为最新预览版3.1.0-ci948。

解决方案主要文件目录组织结构:

  • AnimatedMenu
    • App.xaml
    • MainWindow.xaml
      • MainWindow.xaml.cs
    • ..[数个演示模块用户控件]

2.1 引入样式

文件【App.xaml】,在 StartupUri 中设置启动的视图【MainWindow.xaml】,并在【Application.Resources】节点增加 MaterialDesignThemes库的样式文件:

<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 Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Blue.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Indigo.xaml" />
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
</Application.Resources>

2.2 演示窗体

文件【MainWindow.xaml】,布局代码、动画代码都在此文件中,源码如下:

<Window x:Class="MenuChange.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
        Height="600" Width="1024" WindowStartupLocation="CenterScreen" ResizeMode="NoResize" WindowStyle="None" >
    <Grid Background="#FFEEEEEE" MouseDown="Grid_MouseDown">
        <StackPanel VerticalAlignment="Top">
            <Grid Background="#FF0069C0" Height="10"/>
            <Grid Margin="5">
                <StackPanel HorizontalAlignment="Center" Orientation="Horizontal">
                    <TextBlock Text="Dotnet9.com" VerticalAlignment="Center" FontSize="20" FontFamily="Champagne &amp; Limousines" Margin="20 0"/>
                    <Button Width="30" Height="30" Background="{x:Null}" BorderBrush="{x:Null}" Padding="0" Foreground="Gray">
                        <materialDesign:PackIcon Kind="Wechat"/>
                    </Button>
                    <Button Width="30" Height="30" Background="{x:Null}" BorderBrush="{x:Null}" Padding="0" Foreground="Gray">
                        <materialDesign:PackIcon Kind="Qqchat"/>
                    </Button>
                    <Button Width="30" Height="30" Background="{x:Null}" BorderBrush="{x:Null}" Padding="0" Foreground="Gray">
                        <materialDesign:PackIcon Kind="GithubBox"/>
                    </Button>
                </StackPanel>
                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="10 0">
                    <Button Width="30" Height="30" Background="{x:Null}" BorderBrush="{x:Null}" Padding="0" Foreground="Gray">
                        <materialDesign:PackIcon Kind="BellOutline"/>
                    </Button>
                    <Button Width="30" Height="30" Background="{x:Null}" BorderBrush="{x:Null}" Padding="0" Foreground="Gray" Margin="0 0 10 0">
                        <materialDesign:PackIcon Kind="Settings"/>
                    </Button>
                    <Button x:Name="ButtonFechar" Width="30" Height="30" Background="{x:Null}" BorderBrush="{x:Null}" Padding="0" Foreground="Gray" Click="ButtonFechar_Click">
                        <materialDesign:PackIcon Kind="Close"/>
                    </Button>
                </StackPanel>
            </Grid>
        </StackPanel>

        <Grid Margin="250 55 0 0">
            <Grid x:Name="GridPrincipal" HorizontalAlignment="Center" VerticalAlignment="Center"/>
        </Grid>

        <Grid Width="250" HorizontalAlignment="Left" Background="#FF222222">
            <materialDesign:TransitioningContent x:Name="TrainsitionigContentSlide" OpeningEffect="{materialDesign:TransitionEffect SlideInFromLeft, Duration=0:0:0.2}">
                <Grid x:Name="GridCursor" Margin="0 100 0 0" Background="#FF0069C0" Width="10" HorizontalAlignment="Left" Height="60" VerticalAlignment="Top"/>
            </materialDesign:TransitioningContent>
            <Image Source="https://img.dotnet9.com/logo-head.png" VerticalAlignment="Top"/>
            <Image Source="https://img.dotnet9.com/logo-foot.png" VerticalAlignment="Bottom"/>
            <ListView x:Name="ListViewMenu" Margin="0 100" Foreground="LightGray" FontFamily="Champagne &amp; Limousines" FontSize="18" SelectionChanged="ListViewMenu_SelectionChanged" SelectedIndex="0">
                <ListViewItem Height="60">
                    <StackPanel Orientation="Horizontal">
                        <materialDesign:PackIcon Kind="Home" Width="30" Height="30" VerticalAlignment="Center" Margin="5"/>
                        <TextBlock Text="首页" FontSize="17" VerticalAlignment="Center" Margin="20 0"/>
                    </StackPanel>
                </ListViewItem>
                <ListViewItem Height="60">
                    <StackPanel Orientation="Horizontal">
                        <materialDesign:PackIcon Kind="LanguageCsharp" Width="30" Height="30" VerticalAlignment="Center" Margin="5"/>
                        <TextBlock Text="WPF" FontSize="17" VerticalAlignment="Center" Margin="20 0"/>
                    </StackPanel>
                </ListViewItem>
                <ListViewItem Height="60">
                    <StackPanel Orientation="Horizontal">
                        <materialDesign:PackIcon Kind="LanguageCsharp" Width="30" Height="30" VerticalAlignment="Center" Margin="5"/>
                        <TextBlock Text="Winform" FontSize="17" VerticalAlignment="Center" Margin="20 0"/>
                    </StackPanel>
                </ListViewItem>
                <ListViewItem Height="60">
                    <StackPanel Orientation="Horizontal">
                        <materialDesign:PackIcon Kind="LanguageCsharp" Width="30" Height="30" VerticalAlignment="Center" Margin="5"/>
                        <TextBlock Text="ASP.NET CORE" FontSize="17" VerticalAlignment="Center" Margin="20 0"/>
                    </StackPanel>
                </ListViewItem>
                <ListViewItem Height="60">
                    <StackPanel Orientation="Horizontal">
                        <materialDesign:PackIcon Kind="LanguageCsharp" Width="30" Height="30" VerticalAlignment="Center" Margin="5"/>
                        <TextBlock Text="Xamarin.Forms" FontSize="17" VerticalAlignment="Center" Margin="20 0"/>
                    </StackPanel>
                </ListViewItem>
                <ListViewItem Height="60">
                    <StackPanel Orientation="Horizontal">
                        <materialDesign:PackIcon Kind="LanguageCpp" Width="30" Height="30" VerticalAlignment="Center" Margin="5"/>
                        <TextBlock Text="C++" FontSize="17" VerticalAlignment="Center" Margin="20 0"/>
                    </StackPanel>
                </ListViewItem>
            </ListView>
        </Grid>

    </Grid>
</Window>

简单说明下:

  1. "GridPrincipal" 作为客户区子模块界面容器,展示新界面时,先移除旧用户控件,再添加新用户控件(站长以前使用时,是遍历容器中所有用户界面,对非选择用户控件作隐藏操作,然后添加新用户控件或者对已存在的被选择用户控件作显示操作)。
  2. 左侧菜单项使用 "ListView" 进行布局,实际开发需要运用模板,使用MVVM做成动态菜单,方便扩展。
  3. 右侧切换的子模块界面应该使用Prism或者其他框架(自已实现的模块dll)实现的子界面,方便动态扩展(需要和左侧菜单项进行关联)。

文件【MainWindow.xaml.cs】,后台关闭窗体、菜单点击切换子模块界面、窗体移动等事件处理:

using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace MenuChange
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
        private void ButtonFechar_Click(object sender, RoutedEventArgs e)
        {
            Application.Current.Shutdown();
        }

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

        private void ListViewMenu_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            int index = ListViewMenu.SelectedIndex;
            MoveCursorMenu(index);

            switch (index)
            {
                case 0:
                    GridPrincipal.Children.Clear();
                    GridPrincipal.Children.Add(new UserControlMain());
                    break;
                case 1:
                    GridPrincipal.Children.Clear();
                    GridPrincipal.Children.Add(new UserControlWPF());
                    break;
                case 2:
                    GridPrincipal.Children.Clear();
                    GridPrincipal.Children.Add(new UserControlWinform());
                    break;
                case 3:
                    GridPrincipal.Children.Clear();
                    GridPrincipal.Children.Add(new UserControlASPNETCORE());
                    break;
                case 4:
                    GridPrincipal.Children.Clear();
                    GridPrincipal.Children.Add(new UserControlXamarinForms());
                    break;
                case 5:
                    GridPrincipal.Children.Clear();
                    GridPrincipal.Children.Add(new UserControlCPP());
                    break;
                default:
                    break;
            }
        }

        private void MoveCursorMenu(int index)
        {
            TrainsitionigContentSlide.OnApplyTemplate();
            GridCursor.Margin = new Thickness(0, (100 + (60 * index)), 0, 0);
        }
    }
}

方便演示,点击菜单,切换子用户控件时时写死的,见上面的说明,左侧菜单及右侧切换的子用户控件需要进行关联配置,方便扩展,建议使用Prism的模块化开发。

2.3 演示主模块

文件【UserControlMain.xaml】,只展示其中一个子模块用户控件吧,其他类似,文末有源码、可运行Demo供下载参考。

注意: 需要使用MD控件的 TransitioningContent 组件将用户控件可视区域包裹起来,用于使用MD的移动切换动画,其中 OpeningEffect 见名思意,即是展示此用户控件时,动画如何播放,见下面代码,SlideInFromLeft 是指示展示时由左向右缓动,相反 SlideInFromRight即是由右向左缓动,其他属性可查阅MD官网或者Demo研究。

<UserControl x:Class="MenuChange.UserControlMain"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d"
             Height="auto" Width="auto">
    <Grid>
        <materialDesign:TransitioningContent x:Name="TrainsitionigContentSlide" OpeningEffect="{materialDesign:TransitionEffect SlideInFromLeft, Duration=0:0:0.8}">
            <StackPanel Background="#33ff0000">
                <TextBox HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="30" Foreground="White" Text="https://dotnet9.com"/>
                <Image Source="https://img.dotnet9.com/20200124165746.png"/>
            </StackPanel>
        </materialDesign:TransitioningContent>
    </Grid>
</UserControl>

已奉上关键代码,全部代码文末有下载链接...

3.本文参考

  1. 视频一:C# WPF Material Design UI: Fast Food Sales,配套源码:Pizzaria1
  2. C# WPF开源控件库《MaterialDesignInXAML》

4.源码

站长方便演示,文中的图片使用的本站外链图片:

演示Demo下载


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.NET CORE(C#) WPF 方便的实现用户控件切换(祝大家新年快乐)

标签:put   tin   xmlns   bottom   question   theme   视图   整理   ora   

原文地址:https://www.cnblogs.com/Dotnet9-com/p/12232669.html

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