NI-DAQ™mx C Reference

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Read All Available Samples

Read All Available Samples

Data Type: bool32
Description: Specifies whether subsequent read operations read all samples currently available in the buffer or wait for the buffer to become full before reading. NI-DAQmx uses this setting for finite acquisitions and only when the number of samples to read is -1. For continuous acquisitions when the number of samples to read is -1, a read operation always reads all samples currently available in the buffer.

You can get/set/reset this property using:
  DAQmxGetReadReadAllAvailSamp
  DAQmxSetReadReadAllAvailSamp
  DAQmxResetReadReadAllAvailSamp

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