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