int32 __CFUNC DAQmxGetCIPeriodMeasMeth(TaskHandle taskHandle, const char channel[], int32 *data);
int32 __CFUNC DAQmxSetCIPeriodMeasMeth(TaskHandle taskHandle, const char channel[], int32 data);
int32 __CFUNC DAQmxResetCIPeriodMeasMeth(TaskHandle taskHandle, const char channel[]);
DAQmxGetCIPeriodMeasMeth gets the Counter Input >> Period >> Measurement Specifications >> Method property.
DAQmxSetCIPeriodMeasMeth sets the Counter Input >> Period >> Measurement Specifications >> Method property.
DAQmxResetCIPeriodMeasMeth resets the Counter Input >> Period >> Measurement Specifications >> Method property.