internal override Restriction BuildRestriction() { byte[][] array = new byte[base.Text.Length][]; for (int i = 0; i < base.Text.Length; i++) { string s = base.Text[i].ToUpperInvariant(); array[i] = CTSGlobals.AsciiEncoding.GetBytes(s); } return(Condition.CreateORSearchKeyContentRestriction(array, PropTag.SenderSearchKey, ContentFlags.SubString)); }