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Specifies the appearance of a content control.
public enum ContentControlAppearance
  Public Enum ContentControlAppearance
  | Name | Description | 
|---|---|
| BoundingBox | Represents a content control shown as a shaded rectangle or bounding box (with optional title).  | 
      
| Hidden | Represents a content control that is not shown.  | 
      
| Tags | Represents a content control shown as start and end markers.  |