BUG: CRuntimeClass Not Available for CInternetException

• The Microsoft Foundation Classes (MFC) included with: - Microsoft Visual C++, 32-bit Editions, version 5.0

SYMPTOMS

Attempting to obtain run-time class information for CInternetException by using the RUNTIME_CLASS macro fails. The CRuntimeClass structure returned for CInternetException is empty.

RESOLUTION

C++ exception handling can determine the type of exception thrown. A typical handler has a format similar to the following:

   try
   {
      // Execute some code that might throw an exception.
   }
   catch( CInternetException* e )
   {
      // Handle the Internet exception here.
   }
   catch( CException* e )
   {
      // Handle all other types of exceptions here.
   }

   const type_info& info = typeid(*e);

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this bug and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

The following code demonstrates the problem:

   CRuntimeClass* prt;
   prt = RUNTIME_CLASS( CInternetException );