动态加载XAML文件（2）

一时失言乱红尘 2022-04-22 03:54 180阅读 0赞

C\#代码部分

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Net;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Documents;
    using System.Windows.Input;
    using System.Windows.Media;
    using System.Windows.Media.Animation;
    using System.Windows.Shapes;
    using System.Threading;
    
    namespace SilverlightApplication1
    {
        public partial class MainPage : UserControl
        {
            public MainPage()
            {
                InitializeComponent();
    
                this.Loaded += new RoutedEventHandler(MainPage_Loaded);
    
            }
    
            void MainPage_Loaded(object sender, RoutedEventArgs e)
            {
                WebClient _wc = new WebClient();
                _wc.DownloadProgressChanged += new DownloadProgressChangedEventHandler(_wc_DownloadProgressChanged);
                _wc.OpenReadCompleted += new OpenReadCompletedEventHandler(_wc_OpenReadCompleted);
                _wc.OpenReadAsync(new Uri("SilverlightApplication2.xap", UriKind.Relative));
            }
    
            void _wc_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
            {
                _progress1.Text = e.ProgressPercentage.ToString() + "%";
                if (e.ProgressPercentage == 100)
                {
                    _progress1.Visibility = Visibility.Collapsed;
                }
            }
    
            void _wc_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
            {
                System.Windows.Resources.StreamResourceInfo Info = new System.Windows.Resources.StreamResourceInfo(e.Result, "application/binary");
                AssemblyPart AP = new AssemblyPart();
                System.Reflection.Assembly Asm;
                System.Windows.Resources.StreamResourceInfo streamInfo = Application.GetResourceStream(Info, new Uri("SilverlightApplication2.dll", UriKind.Relative));
                Asm = AP.Load(streamInfo.Stream);
    
                var obj = (Asm.CreateInstance("SilverlightApplication2.MainPage") as FrameworkElement);
                obj.SetValue(Grid.ColumnProperty, 0);
                obj.SetValue(Grid.RowProperty, 0);
                LayoutRoot.Children.Add(obj);
    
            }
    
        }
    }

XAML部分：