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GdiExtensionMethodsTotalLineLength(PointF, Int32, Int32) Method

Calculates the total length of a polyline.

Namespace: Altaxo.Graph.Gdi
Assembly: AltaxoBase (in AltaxoBase.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
Copy
public static double TotalLineLength(
	this PointF[] polyline,
	int startIdx,
	int count
)

Parameters

polyline  PointF
The points of the polyline. Only points starting from startIdx with the number of points = count are considered to be part of the polyline.
startIdx  Int32
Index of the first point of the polyline in array polyline.
count  Int32
The number of points of the polyline. An exception is thrown if this argument is less than 2.

Return Value

Double
The total length of the polyline, from index startIdx with number of points equal to count.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type PointF. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Exceptions
ExceptionCondition
ArgumentNullExceptionpolyline
ArgumentExceptionPolyline must have at least 2 points - polyline
See Also