Determines whether the keystroke maps to an accelerator in the given accelerator table.

BOOL IsAccelerator(

HACCEL hAccel,
//Handle to accelerator table
INT cAccelEntries,
//Number of entries in the accelerator table
LPMSG lpMsg,
//Points to the keystroke message to be translated
WORD * lpwCmd
//Where to return the corresponding command ID



Specifies the handle to the accelerator table.


Specifies the number of entries in the accelerator table.


Points to the keystroke message to be translated.


Points to where to return the corresponding command ID if there is an accelerator for the keystroke. It may be NULL.

Return Values


Indicates the message is for the object application.


Indicates the message is not for the object and should be forwarded to the container.


While active in-place, the object always has first chance to translate the keystrokes into accelerators. If the keystroke corresponds to one of its accelerators, the object must not call the OleTranslateAccelerator functionpics/OLE00090000.gif even if its call to the Windows TranslateAccelerator function fails. Failure to process keystrokes in this manner can lead to inconsistent behavior.

If the keystroke is not one of the object's accelerators, then the object must call OleTranslateAccelerator to let the container try its accelerator translation.

The object application can call IsAccelerator to determine if the accelerator message belongs to it. Some object applications do accelerator translation on their own and do not call TranslateAccelerator. Those applications will not call IsAccelerator, because they already have the information.

See Also


in Win32

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