Thanks for the involvement. I try to reproduce the problem you reported with following code:
There isn't any Visual Studio or JustCode errors in it. After I remove the New DelegateType from line 5.
JustCode found an error VisualBasic.Net: There is no applicable member or variable 'DoWsCallCommit'. Visual Studio found 'AddressOf' expression cannot be converted to 'Object' because 'Object' is not a delegate type.
Is the same happen to you?
What is the declaration of DoWsCall in your case?
All the best,
the Telerik team