Public Function BeginSolve( _
   ByVal SolverParams As NAServerSolverParams, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As NAServerProxy
Dim SolverParams As NAServerSolverParams
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginSolve(SolverParams, callback, asyncState)

public IAsyncResult BeginSolve( 
   NAServerSolverParams SolverParams,
   AsyncCallback callback,
   object asyncState
)