protected void OnGroupDownloadCompleted(GroupDownloadEventArgs e)
{
EventHandler <GroupDownloadEventArgs> handler = GroupDownloadCompleted;
if (handler != null)
{
handler(this, e);
}
}
protected void OnGroupDownloading(GroupDownloadEventArgs e)
{
EventHandler<GroupDownloadEventArgs> handler = GroupDownloading;
if (handler != null)
{
handler(this, e);
}
}