The GM_3DUtil type exposes the following members.
Closes the 3D view window if it is open
Retrieves the position of the camera in the current 3D view
Returns true if the 3D view window is open
Position the camera in an open 3D view window
Saves the current 3D view to a file
Sets the function to call to when a button is pressed in the 3D view window to request a new view.
Sets what to display in the currently open 3D view window (opens view if needed)