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TopographySurface.MaterialId

Property
Description:
The id of the material applied to this element.
Remarks:
This applies to TopographySurface and SiteSubRegion elements.
Syntax
public ElementId MaterialId { get; set; }
Exceptions
Exception Condition
ArgumentException When setting this property: The materialId cannot map to a valid material element.
ArgumentNullException When setting this property: A non-optional argument was null