public virtual classic.Text.TextPatternRange RangeFromChild(IUiElement childElement)
{
// if (childElement == null) {
// throw new ArgumentNullException("childElement");
// }
// SafeTextRangeHandle hTextRange = UiaCoreApi.TextPattern_RangeFromChild(this._hPattern, childElement.RawNode);
// return TextPatternRange.Wrap(hTextRange, this);
// 20140102
// return this._textPattern.RangeFromChild(childElement.GetSourceElement());
return _textPattern.RangeFromChild(childElement.GetSourceElement() as classic.AutomationElement);
}
public virtual classic.Text.TextPatternRange RangeFromPoint(Point screenLocation)