Checks if given type is valid for the set of elements. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2011 
Syntax
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Parameters
- document
-  Type:  Autodesk.Revit.DB Document  
 The document.
- elementIds
-  Type:  System.Collections.Generic ICollection   ElementId  
 A collection of element IDs.
- typeId
-  Type:  Autodesk.Revit.DB ElementId  
 ElementId of the type to check.
Return Value
True if all elements can have a type assigned and this type is valid for all elements, false otherwise.Remarks
 A type is valid for the set of elements if it is valid for each and every element in the set. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | Thrown when at least one of the elements does not exist in the document. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |