public IAsyncResult BeginLoad(Uri targetUri, Uri currentUri, AsyncCallback userCallback, object asyncState)
{
_defaultLoaderMode = false;
ExtensionAsyncResult ear = new ExtensionAsyncResult(asyncState);
int indexOfComponent = targetUri.OriginalString.IndexOf(";component/");
if (indexOfComponent == -1)
{
_defaultLoaderMode = true;
return(_defaultContentLoader.BeginLoad(targetUri, currentUri, userCallback, asyncState));
}
var assemblyName = targetUri.OriginalString.Substring(1, indexOfComponent - 1);
if (!ExtensionManager.Current.Assemblies.ContainsKey(assemblyName))
{
foreach (var link in ExtensionManager.Current.ExtensionLinks)
{
if (link.Package.Equals(assemblyName))
{
Action actionWhenExtensionLoaded =
() =>
{
CreatePageInstance(targetUri, indexOfComponent, assemblyName, userCallback, ear);
};
ExtensionManager.Current.CheckExtension(link, actionWhenExtensionLoaded);
break;
}
}
}
else
{
CreatePageInstance(targetUri, indexOfComponent, assemblyName, userCallback, ear);
}
return(ear);
}
private void CreatePageInstance(Uri targetUri, int indexOfComponent, string assemblyName, AsyncCallback userCallback, ExtensionAsyncResult ear)
{
int i2 = indexOfComponent + 11;
int i3 = targetUri.OriginalString.IndexOf(".xaml");
StringBuilder sb = new StringBuilder(assemblyName);
var assembly = ExtensionManager.Current.Assemblies[sb.ToString()];
sb.Append('.');
sb.Append(targetUri.OriginalString.Substring(i2, i3 - i2));
sb.Replace('/', '.');
sb.Append(", ");
sb.Append(assembly.FullName);
Type type = Type.GetType(sb.ToString(), true);
ear.Result = Activator.CreateInstance(type);
userCallback(ear);
// ear.IsCompleted = true;
}
