About the Simple point plug-in data source Sample
[C#]
AddSimplePointLayerCmd.cs
using System; using System.Drawing; using System.Windows.Forms; using System.Runtime.InteropServices; using ESRI.ArcGIS.ADF.BaseClasses; using ESRI.ArcGIS.ADF.CATIDs; using ESRI.ArcGIS.Controls; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.Geodatabase; namespace ESRI.ArcGIS.Samples.SimplePointPlugin { /// <summary> /// This command /// </summary> [Guid("b358ec88-8304-4d19-a7af-80d63566e4d1")] [ClassInterface(ClassInterfaceType.None)] [ProgId("SimplePointPlugin.AddSimplePointLayerCmd")] public sealed class AddSimplePointLayerCmd : BaseCommand { #region COM Registration Function(s) [ComRegisterFunction()] [ComVisible(false)] static void RegisterFunction(Type registerType) { // Required for ArcGIS Component Category Registrar support ArcGISCategoryRegistration(registerType); // // TODO: Add any COM registration code here // } [ComUnregisterFunction()] [ComVisible(false)] static void UnregisterFunction(Type registerType) { // Required for ArcGIS Component Category Registrar support ArcGISCategoryUnregistration(registerType); // // TODO: Add any COM unregistration code here // } #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 static void ArcGISCategoryRegistration(Type registerType) { string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID); MxCommands.Register(regKey); ControlsCommands.Register(regKey); } /// <summary> /// Required method for ArcGIS Component Category unregistration - /// Do not modify the contents of this method with the code editor. /// </summary> private static void ArcGISCategoryUnregistration(Type registerType) { string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID); MxCommands.Unregister(regKey); ControlsCommands.Unregister(regKey); } #endregion #endregion private IHookHelper m_hookHelper = null; public AddSimplePointLayerCmd() { base.m_category = ".NET Samples"; base.m_caption = "Add SimplePoint layer"; base.m_message = "Add SimplePoint layer data source to the map"; base.m_toolTip = "Add SimplePoint layer"; base.m_name = "SimplePointPlugin_AddSimplePointLayerCmd"; try { string bitmapResourceName = GetType().Name + ".bmp"; base.m_bitmap = new Bitmap(GetType(), bitmapResourceName); } catch (Exception ex) { System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap"); } } #region Overriden Class Methods /// <summary> /// Occurs when this command is created /// </summary> /// <param name="hook">Instance of the application</param> public override void OnCreate(object hook) { if (hook == null) return; try { m_hookHelper = new HookHelperClass(); m_hookHelper.Hook = hook; if (m_hookHelper.ActiveView == null) m_hookHelper = null; } catch { m_hookHelper = null; } if (m_hookHelper == null) base.m_enabled = false; else base.m_enabled = true; } /// <summary> /// Occurs when this command is clicked /// </summary> public override void OnClick() { try { OpenSimplePointDlg dlg = new OpenSimplePointDlg(m_hookHelper); dlg.Show(); ////get the type using the ProgID //Type t = Type.GetTypeFromProgID("esriGeoDatabase.SimplePointPluginWorkspaceFactory"); ////Use activator in order to create an instance of the workspace factory //IWorkspaceFactory workspaceFactory = Activator.CreateInstance(t) as IWorkspaceFactory; //string path = GetFileName(); //if (string.Empty == path) // return; ////open the workspace //IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)workspaceFactory.OpenFromFile(@"C:\Data\Data", 0); ////get a featureclass from the workspace //IFeatureClass featureClass = featureWorkspace.OpenFeatureClass("points"); ////create a new feature layer and add it to the map //IFeatureLayer featureLayer = new FeatureLayerClass(); //featureLayer.Name = featureClass.AliasName; //featureLayer.FeatureClass = featureClass; //m_hookHelper.FocusMap.AddLayer((ILayer)featureLayer); } catch (Exception ex) { System.Diagnostics.Trace.WriteLine(ex.Message); } } #endregion } }
[Visual Basic .NET]
AddSimplePointLayerCmd.vb
Imports Microsoft.VisualBasic Imports System Imports System.Drawing Imports System.Windows.Forms Imports System.Runtime.InteropServices Imports ESRI.ArcGIS.ADF.BaseClasses Imports ESRI.ArcGIS.ADF.CATIDs Imports ESRI.ArcGIS.Controls Imports ESRI.ArcGIS.Carto Imports ESRI.ArcGIS.Geodatabase ''' <summary> ''' This command ''' </summary> <Guid("b358ec88-8304-4d19-a7af-80d63566e4d1"), ClassInterface(ClassInterfaceType.None), ProgId("SimplePointPlugin.AddSimplePointLayerCmd")> _ Public NotInheritable Class AddSimplePointLayerCmd Inherits BaseCommand #Region "COM Registration Function(s)" <ComRegisterFunction(), ComVisible(False)> _ Private Shared Sub RegisterFunction(ByVal registerType As Type) ' Required for ArcGIS Component Category Registrar support ArcGISCategoryRegistration(registerType) ' ' TODO: Add any COM registration code here ' End Sub <ComUnregisterFunction(), ComVisible(False)> _ Private Shared Sub UnregisterFunction(ByVal registerType As Type) ' Required for ArcGIS Component Category Registrar support ArcGISCategoryUnregistration(registerType) ' ' TODO: Add any COM unregistration code here ' 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) MxCommands.Register(regKey) 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) MxCommands.Unregister(regKey) ControlsCommands.Unregister(regKey) End Sub #End Region #End Region Private m_hookHelper As IHookHelper = Nothing Public Sub New() MyBase.m_category = ".NET Samples" MyBase.m_caption = "Add SimplePoint layer" MyBase.m_message = "Add SimplePoint layer data source to the map" MyBase.m_toolTip = "Add SimplePoint layer" MyBase.m_name = "SimplePointPlugin_AddSimplePointLayerCmd" Try Dim bitmapResourceName As String = Me.GetType().Name & ".bmp" MyBase.m_bitmap = New Bitmap(Me.GetType(), bitmapResourceName) Catch ex As Exception System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap") End Try End Sub #Region "Overridden Class Methods" ''' <summary> ''' Occurs when this command is created ''' </summary> ''' <param name="hook">Instance of the application</param> Public Overrides Sub OnCreate(ByVal hook As Object) If hook Is Nothing Then Return End If Try m_hookHelper = New HookHelperClass() m_hookHelper.Hook = hook If m_hookHelper.ActiveView Is Nothing Then m_hookHelper = Nothing End If Catch m_hookHelper = Nothing End Try If m_hookHelper Is Nothing Then MyBase.m_enabled = False Else MyBase.m_enabled = True End If End Sub ''' <summary> ''' Occurs when this command is clicked ''' </summary> Public Overrides Sub OnClick() Try Dim dlg As OpenSimplePointDlg = New OpenSimplePointDlg(m_hookHelper) dlg.Show() '//get the type using the ProgID 'Type t = Type.GetTypeFromProgID("esriGeoDatabase.SimplePointPluginWorkspaceFactory"); '//Use activator in order to create an instance of the workspace factory 'IWorkspaceFactory workspaceFactory = Activator.CreateInstance(t) as IWorkspaceFactory; 'string path = GetFileName(); 'if (string.Empty == path) ' return; '//open the workspace 'IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)workspaceFactory.OpenFromFile(@"C:\Data\Data", 0); '//get a featureclass from the workspace 'IFeatureClass featureClass = featureWorkspace.OpenFeatureClass("points"); '//create a new feature layer and add it to the map 'IFeatureLayer featureLayer = new FeatureLayerClass(); 'featureLayer.Name = featureClass.AliasName; 'featureLayer.FeatureClass = featureClass; 'm_hookHelper.FocusMap.AddLayer((ILayer)featureLayer); Catch ex As Exception System.Diagnostics.Trace.WriteLine(ex.Message) End Try End Sub #End Region End Class