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| Description |
EventMgrControlPrevious returns
the previous element prior to "control" on the list. MPIHandleVOID
is returned if "control" is the first element on the list, or if
"control" is not in the list at all. This function can be used in
conjuntion with mpiEventMgrControlLast() in order to iterate through
the list backwards.
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eventMgr |
a handle to the EventMgr object. |
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control |
a handle to a Control
object. |
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| Return Values |
| handle |
to the motion controller
preceding control in the list of motion controllers
associated with an EventMgr (eventMgr) |
| MPIHandleVOID |
if eventMgr
is invalid
if control is the first motion controller |
| MPIMessageHANDLE_INVALID |
Either eventMgr
or control is an invalid handle. |
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