CogIOMCB.SetLinePolarity Method (Int32, CogIOLinePolarity)

CogIOMCB SetLinePolarity Method (Int32, CogIOLinePolarity)

Cognex VisionPro 9.7

Set the polarity for the specified line on this device. May be either CogIOLinePolarity.LowToHigh or CogIOLinePolarity.HighToLow. This parameter is used by the Write(), SetValue(), and WriteSyncPulse() methods.

Namespace: Cognex.VisionPro.QuickBuild.IO
Assembly: Cognex.VisionPro.QuickBuild.IO (in Cognex.VisionPro.QuickBuild.IO.dll) Version: 73.0.0.0 (73.0.0.0)

Syntax

C++

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public void SetLinePolarity(
	int line,
	CogIOLinePolarity polarity
)

public void SetLinePolarity(
	int line,
	CogIOLinePolarity polarity
)

Public Sub SetLinePolarity ( 
	line As Integer,
	polarity As CogIOLinePolarity
)

Public Sub SetLinePolarity ( 
	line As Integer,
	polarity As CogIOLinePolarity
)

public:
void SetLinePolarity(
	int line, 
	CogIOLinePolarity polarity
)

public:
void SetLinePolarity(
	int line, 
	CogIOLinePolarity polarity
)

Parameters

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

polarity: Type: Cognex.VisionPro.QuickBuild.IO CogIOLinePolarity
The desired line polarity.

Events

Event Type	Reason
ICogChangedEvent Changed	Fires when a line's Polarity value is changed.

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.