| ImageGear Professional v18.2 > API Reference Guide > ArtX Component API Reference > ArtX Component Objects Reference > HIG_ARTX_POLYLINE > IG_ARTX_polyline_opacity_set |
This function updates the value of annotation opacity.
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Copy Code
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AT_ERRCOUNT IG_ARTX_polyline_opacity_set(
HIG_ARTX_POLYLINE hMark,
AT_INT nOpacity
);
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| Name | Type | Description |
| hMark | HIG_ARTX_POLYLINE | Annotation handle. |
| nOpacity | AT_INT | New opacity value to set. |
Error count.
This function does not process image pixels.