ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Vector Component API Reference / Vector Component Functions Reference / Extended Polyline Functions / IG_vect_polylineex_set_contour
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    IG_vect_polylineex_set_contour
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    This function sets the number of the active contour.

    Declaration:

     
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    AT_ERRCOUNT ACCUAPI IG_vect_polylineex_set_contour(
            HIG_VECT_ENTITY hEntity, 
            long nIndex
    );
    

    Arguments:

    Name Type Description
    hEntity HIG_VECT_ENTITY Handle to the Entity.
    mIndex long Number of the active contour being set.

    Return Value:

    Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.

    Supported Raster Image Formats:

    This function does not process image pixels.

    Sample:

    None

    Remarks:

    IG_vect_polylineex_get_vertexcont() returns the active contour.