SilverLight动态加载控件<转>

 1  using  System;
 2  using  System.Collections.Generic;
 3  using  System.Linq;
 4  using  System.Net;
 5  using  System.Windows;
 6  using  System.Windows.Controls;
 7  using  System.Windows.Documents;
 8  using  System.Windows.Input;
 9  using  System.Windows.Media;
10  using  System.Windows.Media.Animation;
11  using  System.Windows.Shapes;
12  using  System.Text;
13  using  System.Windows.Markup;
14  namespace  sl19
15  {
16       public   partial   class  MainPage : UserControl
17      {
18           public  MainPage()
19          {
20              InitializeComponent();
21               /// /textBlock里面的文本
22              StringBuilder xaml  =   new  StringBuilder();
23              xaml.Append( " <TextBlock  " );
24              xaml.Append( " xmlns=\ " http: // schemas.microsoft.com/client/2007\" ");
25              xaml.Append( " Canvas.Left=\ " 50 \ "  Canvas.Top=\ " 30 \ "   FontSize=\ " 50 \ "   " );
26              xaml.Append( "  FontWeight=\ " Bold\ "  Text=\ " 动态创建XAML对象\ "  /> " );
27               // 创建textBlock
28              TextBlock textBlock  =  (TextBlock)XamlReader.Load(xaml.ToString());
29              parentCanvas.Children.Add(textBlock);
30               // line的xaml文本
31             xaml =   new  StringBuilder();
32              xaml.Append( " <Line Stroke=\ " Red\ "   " );
33              xaml.Append( " xmlns=\ " http: // schemas.microsoft.com/client/2007\" ");
34              xaml.Append( "  X1=\ " 30 \ "  Y1=\ " 30 \ "   " );
35              xaml.Append( "  X2=\ " 200 \ "  Y2=\ " 200 \ "   StrokeThickness=\ " 3 \ "  /> " );
36               // 创建LINE对象
37              Line line  =  (Line)XamlReader.Load(xaml.ToString());
38              parentCanvas.Children.Add(line);                       
39          }
40      }
41  }
42