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 3.0/ART 2.0 Marks / Ruler
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    Ruler
    In This Topic

    The Ruler mark enables the end user to create a line that displays its measurement.

    Edit Mode

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

    1. Click the Ruler button.
    2. Click where the line begins and drag it to the end of the line.
    3. Release the mouse button to complete the line.
    4. Right-click the mark after it has been created to activate the popup Edit menu.