public override void Init(TemplateParser parser, ControlBuilder parentBuilder, Type type, string tagName, string ID, IDictionary attribs)
{
Dictionary <string, string> dictionary = new Dictionary <string, string>();
foreach (FilteredAttributeDictionary dictionary2 in ControlBuilder.ConvertDictionaryToParsedAttributeCollection(attribs).GetFilteredAttributeDictionaries())
{
string filter = dictionary2.Filter;
foreach (DictionaryEntry entry in (IEnumerable)dictionary2)
{
string key = (string)entry.Key;
if (StringUtil.EqualsIgnoreCase(key, "ContentPlaceHolderID"))
{
if (this._contentPlaceHolder != null)
{
throw new HttpException(System.Web.SR.GetString("Content_only_one_contentPlaceHolderID_allowed"));
}
this._contentPlaceHolder = entry.Value.ToString();
this._contentPlaceHolderFilter = filter;
}
else if (attributesToPreserve.Contains <string>(key, StringComparer.OrdinalIgnoreCase))
{
dictionary[key] = entry.Value.ToString();
}
}
}
if (!parser.FInDesigner)
{
if (this._contentPlaceHolder == null)
{
throw new HttpException(System.Web.SR.GetString("Control_Missing_Attribute", new object[] { "ContentPlaceHolderID", type.Name }));
}
attribs.Clear();
foreach (KeyValuePair <string, string> pair in dictionary)
{
attribs[pair.Key] = pair.Value;
}
}
base.Init(parser, parentBuilder, type, tagName, ID, attribs);
}