// Token: 0x0600324E RID: 12878 RVA: 0x000DC808 File Offset: 0x000DAA08
private void _RequestPageCallback(IAsyncResult ar)
{
PageContentAsyncResult pageContentAsyncResult = (PageContentAsyncResult)ar;
if (pageContentAsyncResult == this._asyncOp && pageContentAsyncResult.Result != null)
{
LogicalTreeHelper.AddLogicalChild(this, pageContentAsyncResult.Result);
this._pageRef = new WeakReference(pageContentAsyncResult.Result);
}
this._asyncOp = null;
this._NotifyPageCompleted(pageContentAsyncResult.Result, pageContentAsyncResult.Exception, pageContentAsyncResult.IsCancelled, pageContentAsyncResult.AsyncState);
}
private void _RequestPageCallback(IAsyncResult ar)
{
PageContentAsyncResult par = (PageContentAsyncResult)ar;
if (par == _asyncOp && par.Result != null)
{
//par.Result.IsTreeSeparator = true;
LogicalTreeHelper.AddLogicalChild(this, par.Result);
_pageRef = new WeakReference(par.Result);
}
// Set outstanding async op to null to allow for reentrancy during callback.
_asyncOp = null;
_NotifyPageCompleted(par.Result, par.Exception, par.IsCancelled, par.AsyncState);
}
/// <summary>
/// Initiate an asynchoronus request to load the page tree.
/// </summary>
/// <param name="forceReload">Force reloading the page tree instead of using cached value</param>
public void GetPageRootAsync(bool forceReload)
{
#if DEBUG
DocumentsTrace.FixedFormat.PageContent.Trace(string.Format("PageContent.GetPageRootAsync Source={0}", Source == null ? new Uri("", UriKind.RelativeOrAbsolute) : Source));
#endif
// VerifyAccess();
if (_asyncOp != null)
{
return;
}
FixedPage p = null;
if (!forceReload)
{
p = _GetLoadedPage();
}
if (p != null)
{
_NotifyPageCompleted(p, null, false, null);
}
else
{
Dispatcher dispatcher = this.Dispatcher;
Uri uriToLoad = _ResolveUri();
if (uriToLoad != null || _child != null)
{
_asyncOp = new PageContentAsyncResult(new AsyncCallback(_RequestPageCallback), null, dispatcher, uriToLoad, uriToLoad, _child);
_asyncOp.DispatcherOperation = dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback(_asyncOp.Dispatch), null);
}
}
}
/// <summary>
/// Initiate an asynchoronus request to load the page tree.
/// </summary>
/// <param name="forceReload">Force reloading the page tree instead of using cached value</param>
public void GetPageRootAsync(bool forceReload)
{
#if DEBUG
DocumentsTrace.FixedFormat.PageContent.Trace(string.Format("PageContent.GetPageRootAsync Source={0}", Source == null ? new Uri("", UriKind.RelativeOrAbsolute) : Source));
#endif
// VerifyAccess();
if (_asyncOp != null)
{
return;
}
FixedPage p = null;
if (!forceReload)
{
p = _GetLoadedPage();
}
if (p != null)
{
_NotifyPageCompleted(p, null, false, null);
}
else
{
Dispatcher dispatcher = this.Dispatcher;
Uri uriToLoad = _ResolveUri();
if (uriToLoad != null || _child != null)
{
_asyncOp = new PageContentAsyncResult(new AsyncCallback(_RequestPageCallback), null, dispatcher, uriToLoad, uriToLoad, _child);
_asyncOp.DispatcherOperation = dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback(_asyncOp.Dispatch), null);
}
}
}
