Dissolves a collection of form elements into their defining elements. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
| C# | 
|---|
|  | 
| Visual Basic | 
|---|
|  | 
| Visual C++ | 
|---|
|  | 
Parameters
- ADoc
-  Type:  Autodesk.Revit.DB Document  
 The document
- elements
-  Type:  System.Collections.Generic ICollection   ElementId  
 A collection of element IDs of Forms and GeomCombinations that contain Forms that will be dissolved.
Return Value
A collection of curve element ids from the profiles and paths of the dissolved forms.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | The elements do not include Forms that can be dissolved. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |