emcGetDarkField

NAME

emcGetDarkField - Retrieve the current dark field state

#include "emc.h"
int emcGetDarkField(EM *em, int *state);

emcGetDarkField() retrieves a flag which indicates whether the instrument is in darkfield mode or not.

*em: points to an EM control and communications structure that was returned by the emcOpen() call.
*state: points to a state flag which will store the result of this call. A value of 1 indicates the instrument is in darkfield mode and a value of 0 indicates the is not in darkfield mode.

`EMC_OK` (0)	Success
`EMC_ERROR` (-1)	Error
`EMC_NULLPTR` (-111)	Unexpected NULL pointer encountered

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