public override void Perform()
{
Stream stream = SerializeToStream();
if (stream == null)
{
return;
}
XamlReader xamlReader = new XamlReader();
xamlReader.LoadCompleted += new AsyncCompletedEventHandler(LoadCompleted);
try
{
xamlReader.LoadAsync(stream);
}
catch (XamlParseException xpe)
{
bool isIgnorableMessage = xpe.Message.Contains("No matching constructor");
//Fix
isIgnorableMessage = isIgnorableMessage | xpe.Message.Contains("CancelPrint");
//Work around
isIgnorableMessage = isIgnorableMessage | xpe.Message.Contains("invalid character");
// Ignoring XamlParseException with specific message, as Xaml cannot load types with no default constructor
if (!isIgnorableMessage)
{
// Context is lost for the current exception because of the catch
// Calling the method again so that debugger breaks at the throwing location
stream.Seek(0, SeekOrigin.Begin);
XamlReader.Load(stream);
}
}
if (IsCanceled)
{
xamlReader.CancelAsync();
}
}