<summary>
Advances to the first or next color run. The runs are enumerated
in order from back to front.
</summary>
<param name="hasRun">Receives TRUE if there is a current run or
FALSE if the end of the sequence has been reached.</param>
<returns>
Standard HRESULT error code.
</returns>
<summary> Advances to the first or next color run. The runs are enumerated in order from back to front. </summary> <param name="hasRun">Receives TRUE if there is a current run or FALSE if the end of the sequence has been reached.</param> <returns> Standard HRESULT error code. </returns>