internal int GetCaseInsensitiveHashCode(string str, bool forceRandomizedHashing, long additionalEntropy)
{
if (str == null)
{
throw new ArgumentNullException("str");
}
return(TextInfo.InternalGetCaseInsHash(this.m_dataHandle, this.m_handleOrigin, this.m_textInfoName, str, forceRandomizedHashing, additionalEntropy));
}