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TopExtensionPlaneId Property

The top extension plane ID option.

Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2015

Syntax

C# 
public ElementId TopExtensionPlaneId { get; set; }
Visual Basic 
Public Property TopExtensionPlaneId As ElementId
	Get
	Set
Visual C++ 
public:
property ElementId^ TopExtensionPlaneId {
	ElementId^ get ();
	void set (ElementId^ value);
}

Remarks

Analytical model elements for walls support extension options, while those for floor or slabs do not. This Plane identifies a Level, a Grid, or a Ref Plane. To validate plane use [!:Autodesk::Revit::DB::Structure::AnalyticalModelSurface::isPlaneValidForExtension] method. To chcek if analytical model support extension use HasExtension property. If used on analytical model that do not support extension, exception InvalidOperationException will be thrown.

Exceptions

Exception Condition
Autodesk.Revit.Exceptions ArgumentNullException When setting this property: A non-optional argument was NULL

See Also