About the Custom map navigation commands Sample
[C#]
PanRight.cs
using System; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.Geometry; using ESRI.ArcGIS.Controls; using ESRI.ArcGIS.SystemUI; using System.Runtime.InteropServices; namespace PanZoom { [ClassInterface(ClassInterfaceType.None)] [Guid("C5320014-6485-4d24-9E11-554FDC52CB5E")] public class PanRight : ICommand { #region Component Category Registration [ComRegisterFunction()] [ComVisible(false)] static void RegisterFunction(String sKey) { string fullKey = sKey.Remove(0, 18) + @"\Implemented Categories"; Microsoft.Win32.RegistryKey regKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(fullKey, true); if (regKey != null) { regKey.CreateSubKey("{B56A7C42-83D4-11D2-A2E9-080009B6F22B}"); } } [ComUnregisterFunction()] [ComVisible(false)] static void UnregisterFunction(String sKey) { string fullKey = sKey.Remove(0, 18) + @"\Implemented Categories"; Microsoft.Win32.RegistryKey regKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(fullKey, true); if (regKey != null) { regKey.DeleteSubKey("{B56A7C42-83D4-11D2-A2E9-080009B6F22B}"); } } #endregion# [DllImport("gdi32.dll")] static extern bool DeleteObject(IntPtr hObject); private System.Drawing.Bitmap m_bitmap; private IntPtr m_hBitmap; private IHookHelper m_pHookHelper; public PanRight() { string[] res = GetType().Assembly.GetManifestResourceNames(); if(res.GetLength(0) > 0) { m_bitmap = new System.Drawing.Bitmap(GetType().Assembly.GetManifestResourceStream(GetType(), "PanRight.bmp")); if(m_bitmap != null) { m_bitmap.MakeTransparent(m_bitmap.GetPixel(1,1)); m_hBitmap = m_bitmap.GetHbitmap(); } } m_pHookHelper = new HookHelperClass (); } ~PanRight() { if(m_hBitmap.ToInt32() != 0) DeleteObject(m_hBitmap); } #region ICommand Members public void OnClick() { if(m_pHookHelper == null) return; //Get the active view IActiveView pActiveView = (IActiveView) m_pHookHelper.FocusMap; //Get the extent IEnvelope pEnvelope = (IEnvelope) pActiveView.Extent; //Create a point to pan to IPoint pPoint; pPoint = new PointClass(); pPoint.X = ((pEnvelope.XMin + pEnvelope.XMax) / 2) + (pEnvelope.Height / (100 / GetPanFactor())); pPoint.Y = ((pEnvelope.YMin + pEnvelope.YMax) / 2); //Center the envelope on the point pEnvelope.CenterAt(pPoint); //Set the new extent pActiveView.Extent = pEnvelope; //Refresh the active view pActiveView.Refresh(); } private long GetPanFactor() { return 50; } public string Message { get { return "Pan display right by the pan factor percentage"; } } public int Bitmap { get { return m_hBitmap.ToInt32(); } } public void OnCreate(object hook) { m_pHookHelper.Hook = hook; } public string Caption { get { return "Pan Right"; } } public string Tooltip { get { return "Pan Right"; } } public int HelpContextID { get { // TODO: Add PanRight.HelpContextID getter implementation return 0; } } public string Name { get { return "Sample_Pan/Zoom_Pan Right"; } } public bool Checked { get { return false; } } public bool Enabled { get { if(m_pHookHelper.FocusMap == null) return false; return true; } } public string HelpFile { get { // TODO: Add PanRight.HelpFile getter implementation return null; } } public string Category { get { return "Sample_Pan/Zoom"; } } #endregion } }
[Visual Basic .NET]
PanRight.vb
Imports ESRI.ArcGIS.Carto Imports ESRI.ArcGIS.GeomeTry Imports ESRI.ArcGIS.Controls Imports ESRI.ArcGIS.ADF.BaseClasses Imports ESRI.ArcGIS.ADF.CATIDs Imports System.Runtime.InteropServices <ComClass(PanRight.ClassId, PanRight.InterfaceId, PanRight.EventsId)> _ Public NotInheritable Class PanRight 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 = "E9CE29CD-CB4C-45AB-A7BE-CC9436A3C222" Public Const InterfaceId As String = "7315816A-64B2-46A1-BB1F-8AF35FFF8FFE" Public Const EventsId As String = "DDEFED22-8298-4121-9B8B-05D1586B6AB6" #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 Private m_pHookHelper As IHookHelper ' 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. Public Sub New() MyBase.New() MyBase.m_category = "Sample_Pan_VBNET/Zoom" MyBase.m_caption = "Pan Right" MyBase.m_message = "Pan display right by the pan factor percentage" MyBase.m_toolTip = "Pan Right" MyBase.m_name = "Sample_Pan/Zoom_Pan Right" Dim res() As String = GetType(PanRight).Assembly.GetManifestResourceNames() If res.GetLength(0) > 0 Then MyBase.m_bitmap = New System.Drawing.Bitmap(GetType(PanRight).Assembly.GetManifestResourceStream("PanZoomVBNET.PanRight.bmp")) End If m_pHookHelper = New HookHelperClass End Sub Public Overrides Sub OnClick() If m_pHookHelper Is Nothing Then Return End If 'Get the active view Dim pActiveView As IActiveView = CType(m_pHookHelper.FocusMap, IActiveView) 'Get the extent Dim pEnvelope As IEnvelope = CType(pActiveView.Extent, IEnvelope) 'Create a point to pan to Dim pPoint As IPoint pPoint = New PointClass pPoint.X = ((pEnvelope.XMin + pEnvelope.XMax) / 2) + (pEnvelope.Height / (100 / GetPanFactor())) pPoint.Y = ((pEnvelope.YMin + pEnvelope.YMax) / 2) 'Center the envelope on the point pEnvelope.CenterAt(pPoint) 'Set the new extent pActiveView.Extent = pEnvelope 'Refresh the active view pActiveView.Refresh() End Sub Private Function GetPanFactor() As Long Return 50 End Function Public Overrides Sub OnCreate(ByVal hook As Object) m_pHookHelper.Hook = hook End Sub End Class