NI-DAQmx .NET Framework 4.0 API Reference

CounterSingleChannelReader.ReadSingleSampleDouble Method

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Updated2023-02-21
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Reads a single Double sample from a counter task.

Namespace: NationalInstruments.DAQmx
Assembly: NationalInstruments.DAQmx (in NationalInstruments.DAQmx.dll) Version: 20.7.40.49302

Syntax

public double ReadSingleSampleDouble()

Public Function ReadSingleSampleDouble As Double

Return Value

Type: Double
A Double sample from the task. NI-DAQmx scales the returned data to the units of the measurement, including any custom scaling you apply to the channel. You specify these units with the create channel methods or the DAQ Assistant.

Exceptions

Exception	Condition
DaqException	The NI-DAQmx driver returned an error.
OutOfMemoryException	There is not enough memory to carry out this operation.

Remarks

Use this method when counter samples are scaled to a floating-point value, such as for frequency and period measurement.

NI-DAQmx read and write methods time out after the amount of time specified by the Timeout property on the task you are reading from or writing to.

NI-DAQmx .NET Framework 4.0 API Reference

Table of Contents

CounterSingleChannelReader.ReadSingleSampleDouble Method

Syntax

Return Value

Exceptions

Remarks

See Also

Reference

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