将XML空元素转换成完整格式, transform the empty XML element to it full end format.

TransformEmptyElements.cs

/// <summary>
/// 将XML空元素转换成完整格式,比如 <Element /> => <Element></Element>
/// </summary>
/// <param name="srcFile">待转换XML文件地址</param>
/// <param name="destFile">转换后XML保存文件地址</param>
public static void TransformEmptyElements(string srcFile, string destFile)
{
    var srcXML = File.ReadAllText(srcFile);
 
    Regex reg = new Regex(@"<\w+\s/>");
 
ReFind:
    if (reg.IsMatch(srcXML))
    {
        var m = reg.Match(srcXML);
 
        var emptyTag = m.Groups[0].Value;
        var elName = m.Groups[0].Value.TrimStart("<".ToCharArray()).TrimEnd(" />".ToCharArray());
        var fullTag = string.Format("<{0}></{0}>", elName);
 
        srcXML = srcXML.Replace(emptyTag, fullTag);
        goto ReFind;
    }
 
    File.WriteAllText(destFile, srcXML);
}