emcSetDarkField

NAME

emcSetDarkField - Set the darkfield state of the instrument

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

emcSetDarkField() enables or disables the darkfield state of the instrument.

*em: points to an EM control and communications structure that was returned by the emcOpen() call.
state: a state flag which determines what state the instrument will be placed in. A value of 1 indicates the instrument should be placed in darkfield mode and a value of 0 indicates the instrument should be taken out of darkfield mode.

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

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