ArcGIS Developer Help  (ESRI.ArcGIS.Controls)  

OnStyleClassChangedEventHandler Delegate

Represents the method that handles the OnStyleClassChanged event.
[Visual Basic .NET]
Public Delegate Sub OnStyleClassChangedEventHandler ( _
    ByVal SymbologyStyleClass As Object _
)
[C#]
public delegate void OnStyleClassChangedEventHandler (
    object SymbologyStyleClass
);