public bool UpdateOverlay( IDisposable disposable, CIMGraphic graphic, double referenceScale, double showThrough )
Public Overloads Function UpdateOverlay( _ ByVal disposable As IDisposable, _ ByVal graphic As CIMGraphic, _ ByVal referenceScale As Double, _ ByVal showThrough As Double _ ) As Boolean
Parameters
- disposable
- The IDisposable instance returned from an AddOverlay method call.
- graphic
- The graphic to be used for the update
- 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
True if the overlay was updated. False otherwise.