WPF 读取xaml文档

最新推荐文章于 2024-09-29 14:41:05 发布

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最新推荐文章于 2024-09-29 14:41:05 发布

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文章标签： wpf 读取xaml

本文链接：https://blog.youkuaiyun.com/qq_21489689/article/details/72864449

    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private Button myButton;
        public MainWindow()
        {
            InitializeComponent();
        }
        public MainWindow(string xamlFile)//重写MainWindow，并传递一个参数（xmal路径）
        {
            this.Width = this.Height = 285;
            this.Top = this.Left = 100;
            this.Title = "Dynamically Loaded XAML.";
            //从一个XAML文件里获取XAML内容
            DependencyObject rootElement;//定义依赖对象
            using (FileStream fs = new FileStream(xamlFile, FileMode.Open))
            {
                rootElement = (DependencyObject)XamlReader.Load(fs);//将读到的xaml内容赋值给rootElement
            }
            this.Content = rootElement;
            myButton = (Button)LogicalTreeHelper.FindLogicalNode(rootElement, "button1");//利用LogicalTreeHelper.FindLogicalNode(rootElement, "button1")从rootElement中找到button1
            myButton.Click+=myButton_Click;
        }
        private void myButton_Click(object sender, RoutedEventArgs e)//button点击事件
        {
            myButton.Content = "Thank you.";
        }
    }

    //重新定义启动程序，将原来的app.cs删除

    class Program:Application
    {
        [STAThread]
        static void Main()
        {
            Program app = new Program();
            app.MainWindow = new MainWindow("Window1.xaml");//将window1.xaml放到debug目录下，可以直接读取
            app.MainWindow.ShowDialog();
        }
    }

    //window1中的内容

    <DockPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
    <Button Name="button1" Margin="60">Please click me.</Button>
    </DockPanel>