WPF动态添加按钮并相应事件。

最新推荐文章于 2025-03-25 13:55:35 发布

mao_mao37

最新推荐文章于 2025-03-25 13:55:35 发布

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分类专栏： WPF C# 文章标签： wpf html5 html

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本文介绍如何在WPF应用程序中使用C#代码动态地为界面添加按钮，并实现按钮点击事件处理。通过实例展示了如何设置按钮属性及响应事件。

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上code：

<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525" Loaded="Window_Loaded">
    <Grid>
        <Canvas Name="abc" Margin="0,57,0,0">
            <Button Canvas.Left="400" Canvas.Top="207" Content="Button" Height="30" Name="Button2" Width="85" Click="btn_click" />
        </Canvas>
    </Grid>
</Window>

上面是布局的时候加了个按钮，下面的代码中会加入个程序中创建的。

namespace WpfApplication1
{
    ///

    /// MainWindow.xaml 的交互逻辑

    ///

    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Button btn = new Button
                {
                    Name = "Button1",
                    Content = "OK",
                    Height = 23,
                    Width = 64,
                    HorizontalAlignment = HorizontalAlignment.Left,
                    Margin = new Thickness(10, 10, 0, 0),
                    VerticalAlignment = VerticalAlignment.Top,
                    Visibility = Visibility.Visible
                };
            btn.Click += new RoutedEventHandler(btn_click);
            abc.Children.Add(btn);

        }
        private void btn_click(object sender, RoutedEventArgs e)
        {
            Button btn = sender as Button;
            if ("Button1" == btn.Name)
            {
                System.Windows.MessageBox.Show("hello");
            }
            else if ("Button2" == btn.Name)
            {
                System.Windows.MessageBox.Show("World.");
            }

        }
    }
}