A collection of Terrain Overlay objects.
  Add | Adds terrainOverlay to the collection. | 
  AddAsync | Adds terrainOverlay to the collection asynchronously. | 
  AddAsyncUriString | Creates a Terrain Overlay from the uri, which represents a Uri, and adds it to the collection asynchronously. | 
  AddUriString | Creates a Terrain Overlay from the uri, which represents a Uri, and adds it to the collection. | 
  BringToFront | Brings the Terrain Overlay to the front of the collection so it is rendered first or on the bottom. | 
  Clear | Removes all Terrain Overlay objects from the collection. | 
  Contains | Checks the presence of a Terrain Overlay in the collection. | 
  ContainsUriString | Checks the presence of a Terrain Overlay with the specified Uri in the collection. | 
  IndexOf | Gets the index of the specified Terrain Overlay. | 
  IndexOfUriString | Gets the index of the Terrain Overlay with the specified Uri. | 
  Move | Moves the Terrain Overlay to the specified position. | 
  MoveByIndex | Moves the Terrain Overlay at the specified index to the specified position. | 
  Remove | Removes a Terrain Overlay from the collection. | 
  SendToBack | Sends the Terrain Overlay to the back of the collection so it is rendered last or on the top. | 
  Swap | Swaps the position of two Terrain Overlay objects. | 
  SwapByIndex | Swaps the position of two Terrain Overlay objects at the specified indices. | 
  Count | Gets the number of Terrain Overlay objects in the collection. | 
  IsReadOnly | Gets whether or not the collection is read only. | 
  Item | Gets the Terrain Overlay at the specified index. | 
| Implemented Interface | 
|---|
| IAgStkGraphicsTerrainCollectionEvents | 





