ImageGear for C and C++ on Windows v19.1 - Updated
IG_ARTX_rectangle_opacity_get
This function queries the value of the annotation opacity.
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AT_ERRCOUNT IG_ARTX_rectangle_opacity_get(
HIG_ARTX_RECTANGLE hMark,
LPAT_INT lpnOpacity
);
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| Name | Type | Description |
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| hMark | HIG_ARTX_RECTANGLE | Annotation handle. |
| lpnOpacity | LPAT_INT | Pointer to the storage for function result. |
Error count.
This function does not process image pixels.