<summary>
Gets the index of the item with the specified locale name.
</summary>
<param name="localeName">Locale name to look for.</param>
<param name="index">Receives the zero-based index of the locale name/string pair.</param>
<param name="exists">Receives TRUE if the locale name exists or FALSE if not.</param>
<returns>
Standard HRESULT error code. If the specified locale name does not exist, the return value is S_OK,
but *index is UINT_MAX and *exists is FALSE.
</returns>
<summary> Gets the index of the item with the specified locale name. </summary> <param name="localeName">Locale name to look for.</param> <param name="index">Receives the zero-based index of the locale name/string pair.</param> <param name="exists">Receives TRUE if the locale name exists or FALSE if not.</param> <returns> Standard HRESULT error code. If the specified locale name does not exist, the return value is S_OK, but *index is UINT_MAX and *exists is FALSE. </returns>