This class provides access to the action that occurs on a double click. All constructors take a parent argument and add the newly created item to the parent.

Autodesk.AutoCAD.Customization.ElementBase
    Autodesk.AutoCAD.Customization.VersionableElement
        Autodesk.AutoCAD.Customization.CustomizationElement
            Autodesk.AutoCAD.Customization.DoubleClickAction

Public Class DoubleClickAction
Inherits CustomizationElement

public class DoubleClickAction : CustomizationElement;