pipx40_getChannelState
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Function |
pipx40_getChannelState (ByVal vi As Long, ByVal subUnit As Long, ByVal channel As Long, ByRef state As Integer) As Long | |
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ViStatus |
pipx40_getChannelState (ViSession vi, ViUInt32 subUnit, ViUInt32 channel, ViPBoolean state); |
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Parameter |
I/O |
Description |
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vi |
in |
Instrument handle |
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subUnit |
in |
Numeric variable indicating in which sub-unit actions will take place |
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channel |
in |
Channel whose state is to be reported |
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state |
out |
Pointer/reference to variable to receive result |
Return Value
0 = Successful operation. Negative values are error codes and positive values are warnings. To get a description of the error, pass the error code to pipx40_error_message.
Description
Reads the current state of the specified output channel (VI_OFF = open or logic '0', VI_ON = closed or logic '1').