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public static bool TryGetValueAsString(this XmlAttributeCollection xmlAttributeCollection, string attrName, out string attrVal, Properties properties = null)public static bool TryGetValueAsString(this XmlAttributeCollection xmlAttributeCollection, string attrName,
out string attrVal, Properties properties = null)
{
var attr = xmlAttributeCollection;
if (attr == null)
{
attrVal = default;
return false;
}
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