This class encapsulates the data returned by the Viewport.getFrontAndBackClipValues() ObjectARX function. 

Fills in the parameters with information about the existence and location of front and back display clipping planes. Clipping planes are always perpendicular to the camera target vector. When active, the geometry in front of the front clipping plane or in back of the back clipping plane is not displayed.

Public Structure FrontAndBackClipping
End Structure

public struct FrontAndBackClipping {
}