 
            This function returns the opacity attribute of the curve.
| 
                        Copy Code
                     | |
|---|---|
| 
AT_ERRCOUNT ACCUAPI IG_ARTX_curve_opacity_get( 
        HIG_ARTX_POINT hMark,
        LPAT_INT lpnOpacity
);
 | |
| hMark | HIG_ARTX_POINT | Curve mark. | 
| lpnOpacity | LPAT_INT | Returned opacity of the curve. | 
Error count.
This function does not process image pixels.