ImageGear for C and C++ on Windows v21.0 - Updated
User Guide / How to Work with ... / Annotations / New Annotation API: ArtX / ArtX Annotation Marks / ART 2.0 Legacy Marks / Hollow Polygon
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    Hollow Polygon
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    The Hollow Polygon mark enables the end user to surround areas of an image or document with a polygon.

    Edit Mode

    In Edit mode, end users create a mark as follows:

    1. Click the Hollow Polygon button.
    2. Click the point where the polygon starts, and drag and click to create each vertex you want to add.
    3. Double-click to complete the polygon.
    4. Right-click the mark after it has been created to activate the popup edit menu.