/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// webbrowserprogresschangedeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this WebBrowserProgressChangedEventHandler webbrowserprogresschangedeventhandler, Object sender, WebBrowserProgressChangedEventArgs e, AsyncCallback callback)
{
if (webbrowserprogresschangedeventhandler == null)
{
throw new ArgumentNullException("webbrowserprogresschangedeventhandler");
}
return(webbrowserprogresschangedeventhandler.BeginInvoke(sender, e, callback, null));
}
protected virtual void OnProgressChanged(WebBrowserProgressChangedEventArgs e)
{
WebBrowserProgressChangedEventHandler handler = (WebBrowserProgressChangedEventHandler)this.Events[ProgressChangedEventKey];
if (handler != null)
{
handler(this, e);
}
}
protected virtual void OnProgressChanged(WebBrowserProgressChangedEventArgs e)
{
WebBrowserProgressChangedEventHandler changedEventHandler = (WebBrowserProgressChangedEventHandler)this.Events[RadWebBrowserItem.ProgressChangedEventKey];
if (changedEventHandler == null)
{
return;
}
changedEventHandler((object)this, e);
}
