Function name: SetUnhandledExceptionFilter

Defined in : kernel32

Requirements : Windows NT 3.5(1) or later; Windows 95 or later

Declaration:

Declare Function SetUnhandledExceptionFilter Lib "kernel32" (ByVal lpTopLevelExceptionFilter As Long) As Long

Parameters:

* lpTopLevelExceptionFilter [in] Pointer to a top-level exception filter function that will be called whenever the UnhandledExceptionFilter function gets control, and the process is not being debugged. A value of NULL for this parameter specifies default handling within UnhandledExceptionFilter. The filter function has syntax similar to that of UnhandledExceptionFilter: It takes a single parameter of type LPEXCEPTION_POINTERS, and returns a value of type LONG. The filter function should return one of the following values. EXCEPTION_EXECUTE_HANDLER Return from UnhandledExceptionFilter and execute the associated exception handler. This usually results in process termination. EXCEPTION_CONTINUE_EXECUTION Return from UnhandledExceptionFilter and continue execution from the point of the exception. Note that the filter function is free to modify the continuation state by modifying the exception information supplied through its LPEXCEPTION_POINTERS parameter. EXCEPTION_CONTINUE_SEARCH Proceed with normal execution of UnhandledExceptionFilter. That means obeying the SetErrorMode flags, or invoking the Application Error pop-up message box.

Returns:

The SetUnhandledExceptionFilter function returns the address of the previous exception filter established with the function. A NULL return value means that there is no current top-level exception handler.

Related functions:

Examples:

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