Silverlight3 加载其他xap

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1. 1:  Assembly LoadAssemblyFromXap(Stream packageStream, String assemblyName)
   
2. 2:          {
   
3. 3:              StreamResourceInfo resouceInfo = new StreamResourceInfo(packageStream, "application/binary");
   
4. 4:              Stream mainfestStream = Application.GetResourceStream(resouceInfo, new Uri("AppManifest.xaml", UriKind.Relative)).Stream;
   
5. 5:              String appManifestString = new StreamReader(mainfestStream).ReadToEnd();
   
6. 6: 
   
7. 7:              XElement deploymentRoot = XDocument.Parse(appManifestString).Root;
   
8. 8:              List<XElement> deploymentParts = (from assemblyParts in deploymentRoot.Elements().Elements() select assemblyParts).ToList();
   
9. 9: 
   
10. 10:              Assembly targetassembly = null;
    
11. 11: 
    
12. 12:              foreach (XElement xElement in deploymentParts)
    
13. 13:              {
    
14. 14:                  String source = xElement.Attribute("Source").Value;
    
15. 15:                  if (source == assemblyName)
    
16. 16:                  {
    
17. 17:                      StreamResourceInfo streamInfo = Application.GetResourceStream(resouceInfo, new Uri(source, UriKind.Relative));
    
18. 18:                      AssemblyPart asmPart = new AssemblyPart();
    
19. 19:                      targetassembly = asmPart.Load(streamInfo.Stream);
    
20. 20:                  }
    
21. 21:              }
    
22. 22:              return targetassembly;
    
23. 23:          }
    

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