Topography Surface Is Valid Region Method

Identify whether the points can construct a valid region for a topography surface.

Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 27.0.4.0 (27.0.4.0)

Syntax

public static bool IsValidRegion(
	IList<XYZ> points
)

Public Shared Function IsValidRegion ( 
	points As IList(Of XYZ)
) As Boolean

public:
static bool IsValidRegion(
	IList<XYZ^>^ points
)

static member IsValidRegion : 
        points : IList<XYZ> -> bool

Boolean
True if the size of points is not less than 3 and the points are not collinear after projecting to XY plane, that is, ignoring the elevation.

Exceptions

Exception	Condition
ArgumentException	There are no points in the input points set.
ArgumentNullException	A non-optional argument was null