Reference Guide
Reference Guides / JavaScript API / Actions / Document / GetCurrentZoom
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    This function retrieves the current zoom level for the specified DocuVieware™ viewer.

    GetCurrentZoom: function (docuViewareID)


    The identifier for the DocuVieware™ instance.

    Return Value

    0 if error (for instance if there is no document loaded), the current zoom level otherwise as a float value.
    To get a proper value in %, you need to multiply it by 100.