IsValidRegion 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: 18.0.0.0 (18.2.0.13)
Since:  2014

Syntax

C#
public static bool IsValidRegion(
	IList<XYZ> points
)
Visual Basic
Public Shared Function IsValidRegion ( _
	points As IList(Of XYZ) _
) As Boolean
Visual C++
public:
static bool IsValidRegion(
	IList<XYZ^>^ points
)

Parameters

points
Type: System.Collections.Generic..::..IList<(Of <(<'XYZ>)>)>
The points set to be checked.

Return Value

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

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentException There are no points in the input points set.
Autodesk.Revit.Exceptions..::..ArgumentNullException A non-optional argument was NULL

See Also

M:Autodesk.Revit.DB.Architecture.TopographySurface.IsValidRegion(System.Collections.Generic.IList{Autodesk.Revit.DB.XYZ})