Agilent Technologies InfiniiVision 7000A Series, Руководство программиста, Страница: 888 / 922

888 Agilent InfiniiVision 7000A Series Oscilloscopes Programmer's Guide
12
Programming Examples
Console.Write(strInstrumentError)
End If
Loop While strInstrumentError.ToString() <> _
"+0,""No error""" & Chr(10) & ""
End Sub
Private Sub VisaSendCommandOrQuery(ByVal strCommandOrQuery _
As String)
' Send command or query to the device.
Dim strWithNewline As String
strWithNewline = [String].Format("{0}" & Chr(10) & "", _
strCommandOrQuery)
Dim nViStatus As Integer
nViStatus = visa32.viPrintf(m_nSession, strWithNewline)
CheckVisaStatus(nViStatus)
End Sub
Private Function VisaGetResultString() As StringBuilder
Dim strResults As New StringBuilder(1000)
' Read return value string from the device.
Dim nViStatus As Integer
nViStatus = visa32.viScanf(m_nSession, "%1000t", strResults)
CheckVisaStatus(nViStatus)
Return strResults
End Function
Private Function VisaGetResultValue() As Double
Dim fResults As Double = 0
' Read return value string from the device.
Dim nViStatus As Integer
nViStatus = visa32.viScanf(m_nSession, "%lf", fResults)
CheckVisaStatus(nViStatus)
Return fResults
End Function
Private Function VisaGetResultValues() As Double()
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(ByRef ResultsArray _
As Byte()) As Integer
' Results array, big enough to hold a PNG.
ResultsArray = New Byte(299999) {}
Dim length As Integer