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Starting workflow very slow

Posted By:      Posted Date: October 07, 2010    Points: 0   Category :Windows Application

When I run my workflow from within visual studio I get more than 800 exceptions between the statements wf.Run(); and syncEvent.WaintOne(). In the output window I see the following exception:

A first chance exception of type 'System.IO.FileLoadException' occurred in mscorlib.dll.

After the syncEvent.WaintOne() I see a lot of "Does not have corresponding Xaml node for: VisualBasicReference<Decimal>" exceptions.

These exceptions decrease the performance very very much. However, when I host my WF in IIS using a WCF service this performance issue seems to be fixed or doesn't exists.

Could someone point me in a direction to solve this annoying problem? Especially this is a problem when demonstrating the debug capabilities of WF.

ps, when I use procmon to monitor the filesystem I shows me a lot of the following records:
12:01:34.6019706 WebDev.WebServer40.exe 6396 CreateFile C:\Program Files (x86)\Common Files\microsoft shared\DevServer\10.0\TypeScopeFile NAME NOT FOUND Desired Access: Read Data/List Directory, Synchronize, Disposition: Open, Options: Synchronous IO Non-Alert, Non-Directory File, Complete If Oplocked, Attributes: n/a, ShareMode: Read, AllocationSize: n/a

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