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# PDF3DActivationMode

Namespace: O2S.Components.PDF4NET.Annotations

Supported modes for 3D annotation activation.

    public enum PDF3DActivationMode

Inheritance Object → ValueType → Enum → PDF3DActivationMode
Implements

## Fields

Name | Value | Description
--- | --- | ---
PageOpen | 0 | The annotation should be activated as soon as the page containing the annotation is opened.
PageVisible | 1 | The annotation should be activated as soon as any part of the page containing the annotation becomes visible.
ExplicitActivation | 2 | The annotation should remain inactive until explicitly activated by a script or user action.