Keysight Technologies InfiniiVision MSO-X 4022A

1540 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
42 Programming Examples
Exit Sub
ErrorHandler:
MsgBox "*** Error :"+Error, vbExclamation
End
End Sub
Private Sub DoCommand(command As String)
On Error GoTo ErrorHandler
Call ivprintf(id, command + vbLf)
CheckInstrumentErrors
Exit Sub
ErrorHandler:
MsgBox "*** Error :"+Error, vbExclamation
End
End Sub
Private Function DoCommandIEEEBlock(command As String, _
lngBlockSize As Long)
On Error GoTo ErrorHandler
' Send command part.
Call ivprintf(id, command + " ")
' Write definite-length block bytes.
Call ifwrite(id, byteArray(), lngBlockSize, vbNull, retCount)
' retCount is now actual number of bytes written.
DoCommandIEEEBlock = retCount
CheckInstrumentErrors
Exit Function
ErrorHandler:
MsgBox "*** Error :"+Error, vbExclamation
End
End Function
Private Function DoQueryString(query As String) As String
Dim actual As Long
On Error GoTo ErrorHandler