P

WallSweepInfo.MaterialId

Description:
The element id of the material used to create the sweep or reveal.

Remarks:
This value is not used when creating standalone wall sweeps. The material id of the wall sweep's type is used instead.

public ElementId MaterialId { get; set; }

Public Property MaterialId As ElementId
	Get
	Set

public:
property ElementId^ MaterialId {
	ElementId^ get ();
	void set (ElementId^ value);
}

member MaterialId : ElementId with get, set

ArgumentNullException

When setting this property: A non-optional argument was null