' Copyright 2010 ESRI
' 
' All rights reserved under the copyright laws of the United States
' and applicable international laws, treaties, and conventions.
' 
' You may freely redistribute and use this sample code, with or
' without modification, provided you include the original copyright
' notice and use restrictions.
' 
' See the use restrictions.
' 

Option Explicit On 

Imports ESRI.ArcGIS.esriSystem

Public Class ZoomExtension
    Implements IExtension
    Implements IExtensionConfig
    Implements IZoomExtension

    Dim m_zoomFactor As Double
    Dim m_extensionState As esriExtensionState

    Private ReadOnly Property IExtension_Name() As String Implements ESRI.ArcGIS.esriSystem.IExtension.Name
        Get
            Return "Zoom Factor Extension"
        End Get
    End Property

    Private Sub IExtension_Startup(ByRef initializationData As Object) Implements ESRI.ArcGIS.esriSystem.IExtension.Startup
        'Default zoom factor
        m_zoomFactor = 2
        'Default extension state is disabled
        m_extensionState = esriExtensionState.esriESDisabled
    End Sub

    Private Sub IExtension_Shutdown() Implements ESRI.ArcGIS.esriSystem.IExtension.Shutdown
        'Not implemented
    End Sub

    Private ReadOnly Property IExtensionConfig_Description() As String Implements ESRI.ArcGIS.esriSystem.IExtensionConfig.Description
        Get
            Return "Variable ZoomExtension Sample"
        End Get
    End Property

    Private ReadOnly Property IExtensionConfig_ProductName() As String Implements ESRI.ArcGIS.esriSystem.IExtensionConfig.ProductName
        Get
            Return "ZoomExtension Sample"
        End Get
    End Property

    Private Property IExtensionConfig_State() As ESRI.ArcGIS.esriSystem.esriExtensionState Implements ESRI.ArcGIS.esriSystem.IExtensionConfig.State
        Get
            Return m_extensionState
        End Get
        Set(ByVal Value As esriExtensionState)
            m_extensionState = Value
        End Set
    End Property

    Private Property IZoomExtension_ZoomFactor() As Double Implements IZoomExtension.ZoomFactor
        Get
            Return m_zoomFactor
        End Get
        Set(ByVal Value As Double)
            m_zoomFactor = Value
        End Set
    End Property


End Class