{"id":228989,"date":"2024-05-11T21:21:45","date_gmt":"2024-05-11T13:21:45","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/228989.html"},"modified":"2024-05-11T21:21:54","modified_gmt":"2024-05-11T13:21:54","slug":"%e5%9c%a8wpf-%e4%b8%ad%e4%bd%bf%e7%94%a8c-%e4%bd%9c%e4%b8%ba%e9%80%bb%e8%be%91%e4%bb%a3%e7%a0%81%e7%9a%84%e6%96%b9%e5%bc%8f%e9%83%bd%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/228989.html","title":{"rendered":"\u5728wpf \u4e2d\u4f7f\u7528c  \u4f5c\u4e3a\u903b\u8f91\u4ee3\u7801\u7684\u65b9\u5f0f\u90fd\u6709\u54ea\u4e9b"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25151907\/b1eacead-f457-45d3-88f7-557c0051f6ca.webp\" alt=\"\u5728wpf \u4e2d\u4f7f\u7528c  \u4f5c\u4e3a\u903b\u8f91\u4ee3\u7801\u7684\u65b9\u5f0f\u90fd\u6709\u54ea\u4e9b\" \/><\/p>\n<p><p>\u5728WPF\u4e2d\u4f7f\u7528C#\u4f5c\u4e3a\u903b\u8f91\u4ee3\u7801\u7684\u65b9\u5f0f\u4e3b\u8981\u5305\u62ec<strong>\u4ee3\u7801\u540e\u7f6e\u3001MVVM\u6a21\u5f0f\u3001\u547d\u4ee4\u7ed1\u5b9a<\/strong>\u3002\u5176\u4e2d\uff0c<strong>\u4ee3\u7801\u540e\u7f6e<\/strong>\u662f\u6700\u76f4\u89c2\u3001\u5165\u95e8\u7ea7\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u5728XAML\u540e\u7684C#\u6587\u4ef6\u4e2d\u7f16\u5199\u903b\u8f91\u6765\u54cd\u5e94\u754c\u9762\u4e8b\u4ef6\uff0c\u662f\u5feb\u901f\u5b9e\u73b0\u754c\u9762\u4e92\u52a8\u7684\u7b80\u4fbf\u65b9\u5f0f\u3002\u63a5\u4e0b\u6765\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u5f0f\u4ee5\u53ca\u5982\u4f55\u9ad8\u6548\u5730\u5c06\u5b83\u4eec\u5e94\u7528\u4e8eWPF\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4ee3\u7801\u540e\u7f6e<\/h3>\n<\/p>\n<p><p>\u4ee3\u7801\u540e\u7f6e\u662fWPF\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u7528\u6237\u754c\u9762(UI)\u903b\u8f91\u7684\u6700\u76f4\u63a5\u65b9\u5f0f\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5728XAML\u5bf9\u5e94\u7684C#\u6587\u4ef6\u4e2d\u76f4\u63a5\u7f16\u5199\u4ee3\u7801\uff0c\u4ee5\u54cd\u5e94UI\u5143\u7d20\u7684\u4e8b\u4ef6\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u4f18\u70b9\u662f\u6613\u4e8e\u7406\u89e3\u548c\u5b9e\u73b0\uff0c\u7279\u522b\u9002\u5408\u4e8e\u5c0f\u578b\u9879\u76ee\u6216\u5feb\u901f\u539f\u578b\u5f00\u53d1\u3002<\/p>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u5f00\u53d1\u8005\u9700\u8981\u5728XAML\u4e2d\u5b9a\u4e49UI\u5143\u7d20\uff0c\u5e76\u4e3a\u9700\u8981\u54cd\u5e94\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u5904\u7406\u51fd\u6570\u3002\u7136\u540e\uff0c\u5728C#\u4ee3\u7801\u6587\u4ef6\u4e2d\u5b9e\u73b0\u8fd9\u4e9b\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\uff0c\u4f60\u53ef\u4ee5\u5728XAML\u4e2d\u8fd9\u6837\u5b9a\u4e49\u6309\u94ae\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-xml\">&lt;Button Content=&quot;Click Me&quot; Click=&quot;Button_Click&quot; \/&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u63a5\u7740\u5728C#\u6587\u4ef6\u4e2d\u5b9e\u73b0<code>Button_Click<\/code>\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-csharp\">private void Button_Click(object sender, RoutedEventArgs e)<\/p>\n<p>{<\/p>\n<p>    MessageBox.Show(&quot;Button Clicked!&quot;);<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5feb\u901f\u5730\u4e3aUI\u5143\u7d20\u6dfb\u52a0\u4ea4\u4e92\u903b\u8f91\u3002\u5c3d\u7ba1\u4ee3\u7801\u540e\u7f6e\u7b80\u5355\u6613\u61c2\uff0c\u4f46\u5f53\u9879\u76ee\u590d\u6742\u5ea6\u589e\u52a0\u65f6\uff0c\u5b83\u53ef\u80fd\u5bfc\u81f4\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u964d\u4f4e\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001MVVM\u6a21\u5f0f<\/h3>\n<\/p>\n<p><p>MVVM\uff08Model-View-ViewModel\uff09\u6a21\u5f0f\u662fWPF\u5f00\u53d1\u4e2d\u63a8\u8350\u7684\u67b6\u6784\u6a21\u5f0f\uff0c\u65e8\u5728\u901a\u8fc7\u89e3\u8026\u89c6\u56fe\uff08UI\uff09\u548c\u6a21\u578b\uff08\u6570\u636e\uff09\u6765\u589e\u5f3a\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u6d4b\u8bd5\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002MVVM\u6a21\u5f0f\u901a\u8fc7\u5f15\u5165ViewModel\u5c42\u4f5c\u4e3a\u89c6\u56fe\u548c\u6a21\u578b\u4e4b\u95f4\u7684\u6865\u6881\uff0c\u4f7f\u7528\u6570\u636e\u7ed1\u5b9a\u548c\u547d\u4ee4\u6765\u5b9e\u73b0UI\u903b\u8f91\u548c\u6570\u636e\u7684\u4ea4\u4e92\u3002<\/p>\n<\/p>\n<p><p><strong>\u6570\u636e\u7ed1\u5b9a<\/strong>\u662fMVVM\u7684\u6838\u5fc3\uff0c\u5b83\u5141\u8bb8UI\u5143\u7d20\u76f4\u63a5\u7ed1\u5b9a\u5230ViewModel\u7684\u5c5e\u6027\u6216\u547d\u4ee4\u4e0a\uff0c\u4f7f\u5f97UI\u81ea\u52a8\u54cd\u5e94\u6570\u636e\u7684\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6587\u672c\u6846\u7684<code>Text<\/code>\u5c5e\u6027\u7ed1\u5b9a\u5230ViewModel\u4e2d\u7684\u4e00\u4e2a\u5c5e\u6027\u4e0a\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-xml\">&lt;TextBox Text=&quot;{Binding UserName}&quot; \/&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728ViewModel\u4e2d\uff0c<code>UserName<\/code>\u5c5e\u6027\u9700\u8981\u5b9e\u73b0<code>INotifyPropertyChanged<\/code>\u63a5\u53e3\uff0c\u4ee5\u4fbf\u5728\u5c5e\u6027\u503c\u53d8\u5316\u65f6\u901a\u77e5UI\u66f4\u65b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-csharp\">public class UserViewModel: INotifyPropertyChanged<\/p>\n<p>{<\/p>\n<p>    private string _userName;<\/p>\n<p>    public string UserName<\/p>\n<p>    {<\/p>\n<p>        get { return _userName; }<\/p>\n<p>        set<\/p>\n<p>        {<\/p>\n<p>            if (_userName != value)<\/p>\n<p>            {<\/p>\n<p>                _userName = value;<\/p>\n<p>                OnPropertyChanged();<\/p>\n<p>            }<\/p>\n<p>        }<\/p>\n<p>    }<\/p>\n<p>    public event PropertyChangedEventHandler PropertyChanged;<\/p>\n<p>    protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)<\/p>\n<p>    {<\/p>\n<p>        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u547d\u4ee4\u7ed1\u5b9a<\/strong>\u5219\u7528\u4e8e\u5904\u7406UI\u4e8b\u4ef6\uff08\u5982\u6309\u94ae\u70b9\u51fb\uff09\uff0c\u5c06\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\u7ed1\u5b9a\u5230ViewModel\u7684\u547d\u4ee4\u4e0a\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u5199\u5728\u4ee3\u7801\u540e\u7f6e\u4e2d\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u547d\u4ee4\u7ed1\u5b9a<\/h3>\n<\/p>\n<p><p>\u547d\u4ee4\u7ed1\u5b9a\u662f\u5b9e\u73b0WPF\u5e94\u7528\u4e2d\u7528\u6237\u754c\u9762\u903b\u8f91\u7684\u53e6\u4e00\u79cd\u91cd\u8981\u65b9\u5f0f\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5c06UI\u4e8b\u4ef6\uff08\u4f8b\u5982\u6309\u94ae\u70b9\u51fb\uff09\u7ed1\u5b9a\u5230ViewModel\u4e2d\u7684\u547d\u4ee4\u5bf9\u8c61\u4e0a\uff0c\u5176\u901a\u8fc7\u5b9e\u73b0<code>ICommand<\/code>\u63a5\u53e3\u6765\u5b9a\u4e49\u547d\u4ee4\u7684\u6267\u884c\u903b\u8f91\u548c\u53ef\u6267\u884c\u6027\u72b6\u6001\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0eMVVM\u6a21\u5f0f\u7d27\u5bc6\u7ed3\u5408\uff0c\u6709\u5229\u4e8e\u4fdd\u6301UI\u5c42\u548c\u903b\u8f91\u5c42\u7684\u5b8c\u5168\u5206\u79bb\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n<\/p>\n<p><p>\u4e3a\u4e86\u4f7f\u7528\u547d\u4ee4\u7ed1\u5b9a\uff0c\u9996\u5148\u9700\u8981\u5728ViewModel\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u547d\u4ee4\u5bf9\u8c61\uff0c\u5e76\u5728XAML\u4e2d\u5c06UI\u5143\u7d20\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u5230\u8be5\u547d\u4ee4\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u4e00\u4e2a\u70b9\u51fb\u547d\u4ee4<code>ClickCommand<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-csharp\">public class MyViewModel<\/p>\n<p>{<\/p>\n<p>    public ICommand ClickCommand { get; private set; }<\/p>\n<p>    public MyViewModel()<\/p>\n<p>    {<\/p>\n<p>        ClickCommand = new RelayCommand(ExecuteClickCommand, CanExecuteClickCommand);<\/p>\n<p>    }<\/p>\n<p>    private void ExecuteClickCommand(object parameter)<\/p>\n<p>    {<\/p>\n<p>        MessageBox.Show(&quot;Command Executed&quot;);<\/p>\n<p>    }<\/p>\n<p>    private bool CanExecuteClickCommand(object parameter)<\/p>\n<p>    {<\/p>\n<p>        \/\/ \u903b\u8f91\u6765\u51b3\u5b9a\u547d\u4ee4\u662f\u5426\u53ef\u4ee5\u6267\u884c<\/p>\n<p>        return true;<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728XAML\u4e2d\u5c06\u6309\u94ae\u7684\u70b9\u51fb\u4e8b\u4ef6\u7ed1\u5b9a\u5230\u8fd9\u4e2a\u547d\u4ee4\u4e0a\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-xml\">&lt;Button Content=&quot;Click Me&quot; Command=&quot;{Binding ClickCommand}&quot; \/&gt;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4ee5\u4e0a\u6982\u8ff0\u4e86\u5728WPF\u4e2d\u4f7f\u7528C#\u7f16\u5199\u903b\u8f91\u4ee3\u7801\u7684\u4e09\u79cd\u4e3b\u8981\u65b9\u5f0f\uff1a\u4ee3\u7801\u540e\u7f6e\u3001MVVM\u6a21\u5f0f\u4e0e\u547d\u4ee4\u7ed1\u5b9a\u3002\u4ece\u7b80\u5355\u7684\u4ee3\u7801\u540e\u7f6e\u5230\u66f4\u4e3a\u590d\u6742\u4f46\u67b6\u6784\u66f4\u6e05\u6670\u7684MVVM\u6a21\u5f0f\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u573a\u666f\u3002\u6df1\u5165\u7406\u89e3\u5e76\u5408\u7406\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8WPF\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u6548\u7387\u548c\u8d28\u91cf\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. WPF\u4e2d\u4f7f\u7528C#\u4f5c\u4e3a\u903b\u8f91\u4ee3\u7801\u7684\u65b9\u5f0f\u6709\u54ea\u4e9b?<\/strong><\/p>\n<p>WPF\u4e2d\u4f7f\u7528C#\u4f5c\u4e3a\u903b\u8f91\u4ee3\u7801\u7684\u65b9\u5f0f\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a  <\/p>\n<p>a. \u4e8b\u4ef6\u9a71\u52a8\u7f16\u7a0b\uff1aWPF\u652f\u6301\u4f7f\u7528C#\u7f16\u5199\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u6765\u54cd\u5e94\u7528\u6237\u754c\u9762\u4e0a\u7684\u4e8b\u4ef6\u3002\u901a\u8fc7\u4e3a\u63a7\u4ef6\u7684\u4e8b\u4ef6\u5efa\u7acb\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\uff0c\u53ef\u4ee5\u5b9e\u73b0\u54cd\u5e94\u7528\u6237\u4ea4\u4e92\u7684\u903b\u8f91\u3002  <\/p>\n<p>b. 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