/// <summary>
/// Get the webview's height, as a value in device-independent units (1/96th inch per unit).
/// The default is 0. The default might be encountered if the webview has not been loaded
/// and hasn't yet been involved in a layout pass that renders the UI.
/// </summary>
public int GetActualHeight()
{
Setup();
#if UNIWEBVIEW3_SUPPORTED
return(UniWebViewInterface.GetActualHeight(listener.Name));
#elif UNIWEBVIEW2_SUPPORTED
return(UniWebViewPlugin.GetActualHeight(listener.Name));
#else
return(WWebViewPlugin.GetActualHeight(listener.Name));
#endif
}