Keysight V3500A, User Manual

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50 V3500A User’s Guide
3 Driver Installation and Commands
Command Name
IsDeviceAvailable()
Description This
int
function checks the status of the device pointed to
by
SerialNumber
.
Usage C#.NET
int SN=10973300;
int MeterAvailable=myPM.IsDeviceAvailable(SN);
Visual Basic.NET
Dim SN As Integers
SN=10973300
Dim MeterAvailable As Integer
MeterAvailable = myPM.IsDeviceAvailable(SN)
Visual C++.NET
int SN=10973300;
int MeterAvailable=myPM->IsDeviceAvailable(SN);
Visual Basic 6.0
Dim SN As Long
SN=10973300
Dim MeterAvailable As Integer
MeterAvailable=myPM.IsDeviceAvailable(SN)
Visual C++ 6.0
int SN = 10973300;
int MeterAvailable=myPM.IsDeviceAvailable(SN);
Parameters
myPM
refers to the created V3500A object.
SN
is the serial number (32- bit signed integer) of the V3500A
being checked.
MeterAvailable
is the integer variable created containing
the device status.
Return Value
Returns a 32- bit integer with one of the following values:
• 0: Unavailable — the device may have been opened by
another program.
• 1: Available.
• –1: Absent—the device was not found.