ArcGIS Developer Help  (ESRI.ArcGIS.Carto)  

ActiveGraphicsLayerChangedEventHandler Delegate

Represents the method that handles the ActiveGraphicsLayerChanged event.
[Visual Basic .NET]
Public Delegate Sub ActiveGraphicsLayerChangedEventHandler ( _
    ByVal oldGraphicsLayer As IGraphicsLayer, _
    ByVal newGraphicsLayer As IGraphicsLayer _
)
[C#]
public delegate void ActiveGraphicsLayerChangedEventHandler (
    IGraphicsLayer oldGraphicsLayer,
    IGraphicsLayer newGraphicsLayer
);