/// <summary>
/// 新增频道
/// </summary>
/// <param name="m_tree"></param>
public void NewChannel()
{
string title = XmlUtilService.CreateIncreaseChannelTitle(((BaseFolderElementNode)CurrentNode).Element as FolderXmlElement);
SdsiteXmlDocument doc = Service.Sdsite.CurrentDocument;
BaseFolderElementNode parentNode = (BaseFolderElementNode)this.CurrentNode;
doc.CreateChannel(parentNode.Element.Id, title);
}