/// <summary>
/// append child element
/// </summary>
/// <param name="element">child element</param>
/// <returns>index of element</returns>
public int AppendChild(RTFDomElement element)
{
CheckLocked();
element.myParent = this;
element.OwnerDocument = this.myOwnerDocument;
return(myElements.Add(element));
}
/// <summary>
/// 判断对象是否有实际内容
/// </summary>
/// <param name="rootElement">根元素对象</param>
/// <returns>是否有实际内容</returns>
public static bool HasContentElement(RTFDomElement rootElement)
{
if (rootElement.Elements.Count == 0)
{
return(false);
}
if (rootElement.Elements.Count == 1)
{
if (rootElement.Elements[0] is RTFDomParagraph)
{
RTFDomParagraph p = (RTFDomParagraph)rootElement.Elements[0];
if (p.Elements.Count == 0)
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Get the index of special element that starts with 0.
/// </summary>
/// <param name="element">element</param>
/// <returns>index , if not find element , then return -1</returns>
public int IndexOf(RTFDomElement element)
{
return(this.List.IndexOf(element));
}
/// <summary>
/// insert element
/// </summary>
/// <param name="index">special index</param>
/// <param name="element">element</param>
public void Insert(int index, RTFDomElement element)
{
this.List.Insert(index, element);
}
/// <summary>
/// add element
/// </summary>
/// <param name="element">element</param>
/// <returns>index</returns>
public int Add(RTFDomElement element)
{
return(this.List.Add(element));
}
/// <summary>
/// delete element
/// </summary>
/// <param name="node">element</param>
public void Remove(RTFDomElement node)
{
this.List.Remove(node);
}