Asynchronously loads and returns the FixedPage content element.
Assembly: PresentationFramework (in PresentationFramework.dll)
The following steps illustrate how to load the FixedPage content asynchronously:
When the GetPageRootCompleted event occurs and the delegate is called, the FixedPage content has completed loading. The loaded FixedPage element is returned through the GetPageRootCompletedEventArgs.Result property.
For more information about the <PageContent> element, see chapter 3 of the XPS specification which you can obtain at XPS: Specification and License Downloads.