Exception Handling Tasks

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When exceptional conditions occur in your program, be ready for them by supplying exception handlers. Visual C++ supplies three different mechanisms for handling exceptions. For guidance on which exception handling mechanism to use, see the overview.

The following categories of tasks are listed in this topic:

• General Exception Tasks
  
  
• MFC Exception Tasks
  
  
• C++ Exception Tasks
  
  
• Structured Exception Handling Tasks

What do you want to do?

General Exception Tasks

• Learn what exception handling is
  
  
• Learn what exception handling mechanisms are available
  
  
• Learn which mechanism to use when

MFC Exception Tasks

• Handle an exception: in MFC, in C++ without MFC, in C under Windows NT or Windows 95
  
  
• Convert my program from MFC exception macros to C++ exceptions
  
  
• Examine the contents of an MFC exception object
  
  
• Free objects correctly when handling an exception
  
  
• Throw an exception from my own function
  
  
• Learn what to do with exceptions that occur in a constructor
  
  
• Handle exceptions in an MFC database program
  
  
• Handle exceptions in an MFC OLE program

C++ Exception Tasks

Note   These tasks apply also to MFC.

• Handle exceptions in a type-safe manner
  
  
• Learn about what happens to unhandled exceptions
  
  
• Understand the overhead for using exception handling

Structured Exception Handling Tasks

• Learn about Windows NT exception and termination handlers
  
  
• Learn to write exception handlers with structured exception handling
  
  
• Learn to write termination handlers with structured exception handling