Polygon.AddVertex Method

Polygon AddVertex Method

Cognex VisionPro 9.21 SR1

Add a vertex to the polygon. If the default index -1 is used, the new vertex will be added to the end of any existing vertices. Otherwise Index must be >= 0 and <= NumVertices.

Namespace: Cognex.Vision
Assembly: Cognex.Vision.Core.Net (in Cognex.Vision.Core.Net.dll) Version: 9.21.1.1

Syntax

C++

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public void AddVertex(
	double x,
	double y,
	int index
)

public void AddVertex(
	double x,
	double y,
	int index
)

Public Sub AddVertex ( 
	x As Double,
	y As Double,
	index As Integer
)

Public Sub AddVertex ( 
	x As Double,
	y As Double,
	index As Integer
)

public:
void AddVertex(
	double x, 
	double y, 
	int index
)

public:
void AddVertex(
	double x, 
	double y, 
	int index
)

Parameters

x: Type: System Double
X-coordinate of the vertex.

y: Type: System Double
Y-coordinate of the vertex.

index: Type: System Int32
Index of the vertex.

Exceptions

Exception	Condition
ArgumentException	index < -1
ArgumentException	index > NumVertices
OutOfMemoryException	The memory to store the vertices cannot be allocated.

Remarks

Changed Raised when the number of vertices changes.

Remarks

Add a vertex to the polygon at the given index. If index is -1 or NumVertices, the vertex is added to the end.