Try using the PlotX function, passing it a Plot Style of VAL_HORIZONTAL_BAR. As long as you want the values in the Y axis to be uniformly spaced, this plot type should do the trick. (If you don't want the Y values to be 0...n-1, then use the ATTR_YAXIS_OFFSET and ATTR_YAXIS_GAIN attributes to modify them.)
Luis Gomes
NI
