CogIOMCB.Write Method (CogIODiscreteData)

CogIOMCB Write Method (CogIODiscreteData)

Cognex VisionPro 9.22

Set the state of zero or more output lines as described by the supplied argument. This argument is a data structure holding a set of line/value pairs. This method steps through this set of data, setting in turn each specified line to the specified state.

Namespace: Cognex.VisionPro.QuickBuild.IO
Assembly: Cognex.VisionPro.QuickBuild.IO (in Cognex.VisionPro.QuickBuild.IO.dll) Version: 87.0.0.0 (87.0.0.0)

Syntax

C++

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public void Write(
	CogIODiscreteData discreteData
)

public void Write(
	CogIODiscreteData discreteData
)

Public Sub Write ( 
	discreteData As CogIODiscreteData
)

Public Sub Write ( 
	discreteData As CogIODiscreteData
)

public:
void Write(
	CogIODiscreteData^ discreteData
)

public:
void Write(
	CogIODiscreteData^ discreteData
)

Parameters

discreteData: Type: Cognex.VisionPro.QuickBuild.IO CogIODiscreteData
A CogIODiscreteData object that describes what values are to be written to what lines on this device. May not be null.

Exceptions

Exception	Condition
ObjectDisposedException	If this CogIOMCB object has already been disposed.
ArgumentNullException	If the discreteData argument is null.
InvalidOperationException	If this device is not currently open.
ArgumentOutOfRangeException	If a line argument is less than zero or greater than 23.
InvalidOperationException	If a specified line is not currently enabled.
InvalidOperationException	If the port associated with a specified line is not currently configured for output.
InvalidOperationException	If an error is encountered while writing to an individual line.