CogIOMCB.GetValue Method

CogIOMCB GetValue Method

Cognex VisionPro 9.8

Get the state of the specified line on this device.

Namespace: Cognex.VisionPro.QuickBuild.IO
Assembly: Cognex.VisionPro.QuickBuild.IO (in Cognex.VisionPro.QuickBuild.IO.dll) Version: 75.1.0.0 (75.1.0.0)

Syntax

C++

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public bool GetValue(
	int line
)

public bool GetValue(
	int line
)

Public Function GetValue ( 
	line As Integer
) As Boolean

Public Function GetValue ( 
	line As Integer
) As Boolean

public:
bool GetValue(
	int line
)

public:
bool GetValue(
	int line
)

Parameters

line: Type: System Int32
The line number. Must be in the range 0 to 23 inclusive.

Return Value

Type: Boolean
The state of the specified input line.

Exceptions

Exception	Condition
ObjectDisposedException	If this CogIOMCB object has already been disposed.
ArgumentOutOfRangeException	If the line argument is less than zero or greater than 23.
InvalidOperationException	If IsDeviceOpen is false.
InvalidOperationException	If the specified line is not enabled.
InvalidOperationException	If the port associated with the specified line is not configured for input.