Agilent Technologies Infiniium 90000 Q-Series, Programmer'S Manual

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1100 Agilent Infiniium 90000 Series Oscilloscopes Programmer's Reference
38
Sample Programs
Dim fResultsArray As Double()
fResultsArray = New Double(9) {}
' Read return value string from the device.
Dim nViStatus As Integer
nViStatus = visa32.viScanf(m_nSession, _
"%,10lf" & Chr(10) & "", fResultsArray)
CheckVisaStatus(nViStatus)
Return fResultsArray
End Function
Private Function VisaGetResultIEEEBlock_Bytes(ByRef ResultsArray _
As Byte()) As Integer
' Results array, big enough to hold a PNG.
ResultsArray = New Byte(4999999) {}
Dim length As Integer
' Number of bytes returned from instrument.
' Set the default number of bytes that will be contained in
' the ResultsArray to 5,000,000.
length = 5000000
' Read return value string from the device.
Dim nViStatus As Integer
nViStatus = visa32.viScanf(m_nSession, "%#b", length, _
ResultsArray)
CheckVisaStatus(nViStatus)
' Write and read buffers need to be flushed after IEEE block?
nViStatus = visa32.viFlush(m_nSession, visa32.VI_WRITE_BUF)
CheckVisaStatus(nViStatus)
nViStatus = visa32.viFlush(m_nSession, visa32.VI_READ_BUF)
CheckVisaStatus(nViStatus)
Return length
End Function
Private Function VisaGetResultIEEEBlock_Words(ByRef ResultsArray _
As Short()) As Integer
' Results array, big enough to hold a PNG.
ResultsArray = New Short(4999999) {}
Dim length As Integer
' Number of bytes returned from instrument.
' Set the default number of bytes that will be contained in
' the ResultsArray to 5,000,000.
length = 5000000
' Read return value string from the device.
Dim nViStatus As Integer
nViStatus = visa32.viScanf(m_nSession, "%#hb", length, _
ResultsArray)
CheckVisaStatus(nViStatus)
' Write and read buffers need to be flushed after IEEE block?
nViStatus = visa32.viFlush(m_nSession, visa32.VI_WRITE_BUF)
CheckVisaStatus(nViStatus)