// Token: 0x06007028 RID: 28712 RVA: 0x002037E8 File Offset: 0x002019E8
private object OnBackgroundPagination(object arg)
{
DateTime now = DateTime.Now;
this._backgroundPaginationOperation = null;
this._dispatcherObject.VerifyAccess();
if (this._document.StructuralCache.IsFormattingInProgress)
{
throw new InvalidOperationException(SR.Get("FlowDocumentFormattingReentrancy"));
}
if (this._document.StructuralCache.PtsContext.Disposed)
{
return(null);
}
using (this._document.Dispatcher.DisableProcessing())
{
this._document.StructuralCache.IsFormattingInProgress = true;
try
{
for (int i = 0; i < this._asyncRequests.Count; i++)
{
FlowDocumentPaginator.AsyncRequest asyncRequest = this._asyncRequests[i];
if (asyncRequest.Process())
{
this._asyncRequests.RemoveAt(i);
i--;
}
}
DateTime now2 = DateTime.Now;
if (this._backgroundPagination && !this._brt.IsClean)
{
while (!this._brt.IsClean)
{
this.FormatPage(this._brt.Count);
long num = (DateTime.Now.Ticks - now.Ticks) / 10000L;
if (num > 30L)
{
break;
}
}
this.InitiateNextAsyncOperation();
}
}
finally
{
this._document.StructuralCache.IsFormattingInProgress = false;
}
}
return(null);
}
// Token: 0x06007015 RID: 28693 RVA: 0x00203420 File Offset: 0x00201620
public override void CancelAsync(object userState)
{
if (userState == null)
{
this.CancelAllAsyncOperations();
return;
}
for (int i = 0; i < this._asyncRequests.Count; i++)
{
FlowDocumentPaginator.AsyncRequest asyncRequest = this._asyncRequests[i];
if (asyncRequest.UserState == userState)
{
asyncRequest.Cancel();
this._asyncRequests.RemoveAt(i);
i--;
}
}
}
