' Copyright 2012 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.
' 

Imports ESRI.ArcGIS.Carto
Imports ESRI.ArcGIS.Controls
Imports ESRI.ArcGIS.ADF.BaseClasses
Imports ESRI.ArcGIS.ADF.CATIDs
Imports System.Runtime.InteropServices

<ComClass(FullExtent.ClassId, FullExtent.InterfaceId, FullExtent.EventsId)> _
Public NotInheritable Class FullExtent
    Inherits BaseCommand

#Region "COM GUIDs"
    ' These  GUIDs provide the COM identity for this class 
    ' and its COM interfaces. If you change them, existing 
    ' clients will no longer be able to access the class.
    Public Const ClassId As String = "4C02C1E7-D695-4EA8-AF88-A2813464FFC3"
    Public Const InterfaceId As String = "F58A91E4-9FF1-4A7E-963C-FD10D375DA1C"
    Public Const EventsId As String = "7D83311E-C7B3-4E2D-B1C9-5A5EAC9E77EC"
#End Region
#Region "COM Registration Function(s)"
    <ComRegisterFunction(), ComVisibleAttribute(False)> _
    Public Shared Sub RegisterFunction(ByVal registerType As Type)
        ' Required for ArcGIS Component Category Registrar support
        ArcGISCategoryRegistration(registerType)

        'Add any COM registration code after the ArcGISCategoryRegistration() call

    End Sub

    <ComUnregisterFunction(), ComVisibleAttribute(False)> _
    Public Shared Sub UnregisterFunction(ByVal registerType As Type)
        ' Required for ArcGIS Component Category Registrar support
        ArcGISCategoryUnregistration(registerType)

        'Add any COM unregistration code after the ArcGISCategoryUnregistration() call

    End Sub

#Region "ArcGIS Component Category Registrar generated code"
    ''' <summary>
    ''' Required method for ArcGIS Component Category registration -
    ''' Do not modify the contents of this method with the code editor.
    ''' </summary>
    Private Shared Sub ArcGISCategoryRegistration(ByVal registerType As Type)
        Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
        ControlsCommands.Register(regKey)

    End Sub
    ''' <summary>
    ''' Required method for ArcGIS Component Category unregistration -
    ''' Do not modify the contents of this method with the code editor.
    ''' </summary>
    Private Shared Sub ArcGISCategoryUnregistration(ByVal registerType As Type)
        Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
        ControlsCommands.Unregister(regKey)

    End Sub

#End Region
#End Region

    ' A creatable COM class must have a Public Sub New() 
    ' with no parameters, otherwise, the class will not be 
    ' registered in the COM registry and cannot be created 
    ' via CreateObject.

    Private m_pEnabled As Boolean
    Private m_pHookHelper As IHookHelper

  Public Sub New()
    MyBase.New()

    MyBase.m_category = "Sample_Pan_VBNET/Zoom"
    MyBase.m_caption = "Full Extent"
    MyBase.m_message = "Zooms the Display to Full Extent of the Data"
    MyBase.m_toolTip = "Full Extent"
    MyBase.m_name = "Sample_Pan/Zoom_Full Extent"

    Dim res() As String = GetType(FullExtent).Assembly.GetManifestResourceNames()
    If res.GetLength(0) > 0 Then
      MyBase.m_bitmap = New System.Drawing.Bitmap(GetType(FullExtent).Assembly.GetManifestResourceStream("PanZoomVBNET.FullExtent.bmp"))
    End If
    m_pHookHelper = New HookHelperClass

  End Sub

  Public Overrides Sub OnClick()
    'Get IActiveView interface
    Dim pActiveView As IActiveView = CType(m_pHookHelper.FocusMap, IActiveView)

    'Set the extent to the full extent
    pActiveView.Extent = pActiveView.FullExtent

    'Refresh the active view
    pActiveView.Refresh()
  End Sub

  Public Overrides Sub OnCreate(ByVal hook As Object)

        m_pHookHelper.Hook = hook
        m_pEnabled = True

  End Sub

  Public Overrides ReadOnly Property Enabled() As Boolean
    Get
      Return m_pEnabled
    End Get
  End Property
End Class