вот что удалось выцепить из интеллитрэйс (я в vs2010 работаю) -
A System.ArgumentException was thrown: "An item with the same key has
already been added."
Thread: Dde thread [2476]
Вот информация по исключению:
Message=An item with the same key has already been added.
Source=System.Windows.Forms
StackTrace:
at System.Windows.Forms.Control.MarshaledInvoke(Control caller,
Delegate method, Object[] args, Boolean synchronous)
at System.Windows.Forms.Control.Invoke(Delegate method,
Object[] args)
at NDde.Advanced.DdeContext.DdeThread.Invoke(Delegate method,
Object[] args)
at NDde.Advanced.DdeContext.Invoke(Delegate method, Object[]
args)
at NDde.Advanced.DdeContext.Invoke(ThreadStart method)
at NDde.Server.DdeServer.Register()
at . . ()
at System.Threading.ThreadHelper.ThreadStart_Context(Object
state)
at System.Threading.ExecutionContext.Run(ExecutionContext
executionContext, ContextCallback callback, Object state, Boolean
ignoreSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext
executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException:
Собственно и перехватить никак не удаётся.