protected Task<IDisposable> AddOverlayAsync( CIMGraphic graphic, double referenceScale, double showThrough )
Protected Overloads Function AddOverlayAsync( _ ByVal graphic As CIMGraphic, _ ByVal referenceScale As Double, _ ByVal showThrough As Double _ ) As Task(Of IDisposable)
Parameters
- graphic
- The graphic to be added to the overlay.
- referenceScale
- Map reference scale or -1
- showThrough
- Visibility factor for showing the overlay through other objects when obscured in 3D.
Valid range is [0..1], any other value will be treated as 0 (not visible).
Return Value
An object that when disposed will remove the overlay.