Thank you WENDY:) it,s running.
And for other users...you can find ExcelRpt_GetCellRangeAttribute() also in CVI60\samples\activex\excel\excelreport.fp
if you want make your own fnc then use this:
Excel_GetProperty (ExcelSingleCellRangeHandle, NULL, Excel_RangeComment, CAVT_OBJHANDLE, &ExcelCommentHandle);
Excel_CommentText (ExcelCommentHandle,NULL,CA_DEFAULT_VAL, CA_DEFAULT_VAL,CA_DEFAULT_VAL,&charCommentText );