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RaiseException (Windows Embedded CE 6.0)

  • [アーティクル]

1/6/2010

This function raises an exception in the calling thread.

Syntax

void RaiseException(
  DWORD dwExceptionCode,
  DWORD dwExceptionFlags,
  DWORD nNumberOfArguments,
  const DWORD* lpArguments
);

Parameters

  • dwExceptionCode
    [in] The application-defined exception code of the exception being raised. The filter expression and exception-handler block of an exception handler can use the GetExceptionCode function to retrieve this value.

    The system clears bit 28 of dwExceptionCode. This bit is a reserved exception bit, used by the system for its own purposes.

    For example, after calling the RaiseException function with a dwExceptionCode value of 0xFFFFFFFF, the system displays a message indicating that the exception number is 0xEFFFFFFF.

  • dwExceptionFlags
    [in] The exception flags. This can be either zero to indicate a continuable exception, or EXCEPTION_NONCONTINUABLE to indicate a noncontinuable exception. Any attempt to continue execution after a noncontinuable exception causes the EXCEPTION_NONCONTINUABLE_EXCEPTION exception.
  • nNumberOfArguments
    [in] The number of arguments in the lpArguments array. This value must not exceed EXCEPTION_MAXIMUM_PARAMETERS. This parameter is ignored if lpArguments is NULL.
  • lpArguments
    [in] Long pointer to an array of 32-bit arguments. This parameter can be NULL. These arguments can contain any application-defined data that needs to be passed to the filter expression of the exception handler.

Return Value

None.

Remarks

The RaiseException function enables a process to use structured exception handling to handle private, software-generated, application-defined exceptions.

The following list shows the exception dispatcher's search process for an exception handler after raising an exception:

  1. The system attempts to notify the process's debugger, if applicable.
  2. If the process is not being debugged, or if the associated debugger does not handle the exception, the system attempts to locate a frame-based exception handler by searching the stack frames of the thread in which the exception occurred.
    The system searches the current stack frame first; then it proceeds backward through preceding stack frames.
  3. If no frame-based handler can be found, or no frame-based handler handles the exception, the system makes a second attempt to notify the process's debugger.
  4. If the process is not being debugged, or if the associated debugger does not handle the exception, the system provides default handling based on the exception type.

The values specified in the dwExceptionCode, dwExceptionFlags, nNumberOfArguments, and lpArguments parameters can be retrieved in the filter expression of a try-except frame-based exception handler by calling the GetExceptionInformation function.

A debugger can retrieve these values by calling the WaitForDebugEvent function.

Requirements

Header winbase.h
Library coredll.lib
Windows Embedded CE Windows CE 1.0 and later

See Also

Reference

Exception Functions
GetExceptionCode
GetExceptionInformation
WaitForDebugEvent