xaml控件

xaml文件

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

using System.IO;
using System.Windows.Markup;

namespace 导入xaml文件控件
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            LoadControl("xaml控件.txt");
        }

        public void LoadControl(string xamlFilePath)
        {
            Button but;
            DependencyObject rootElement;
            using (FileStream fs = new FileStream(xamlFilePath, FileMode.Open))
            {
                rootElement = (DependencyObject)XamlReader.Load(fs);
            }
            this.Content = rootElement;
            but = (Button)LogicalTreeHelper.FindLogicalNode(rootElement, "button1");
            but.Click += btn_click;
        }
        private void btn_click(object sender,RoutedEventArgs e)
        {
            ((Button)sender).Content = "Yes";
        }
    }
}