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