About the RSS weather GraphicTracker Sample
[C#]
AddRSSWeather.cs
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Carto;
namespace RSSWeatherGraphicTracker
{
/// <summary>
/// Command that works in ArcMap/Map/PageLayout, ArcScene/SceneControl
/// or ArcGlobe/GlobeControl
/// </summary>
[Guid("ffae67a3-92b6-47d6-9d33-a8dd909a53c4")]
[ClassInterface(ClassInterfaceType.None)]
[ProgId("RSSWeatherGraphicTracker.AddRSSWeather")]
public sealed class AddRSSWeather : BaseCommand
{
#region COM Registration Function(s)
[ComRegisterFunction()]
[ComVisible(false)]
static void RegisterFunction(Type registerType)
{
// Required for ArcGIS Component Category Registrar support
ArcGISCategoryRegistration(registerType);
}
[ComUnregisterFunction()]
[ComVisible(false)]
static void UnregisterFunction(Type registerType)
{
// Required for ArcGIS Component Category Registrar support
ArcGISCategoryUnregistration(registerType);
}
#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);
GMxCommands.Register(regKey);
MxCommands.Register(regKey);
SxCommands.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);
GMxCommands.Unregister(regKey);
MxCommands.Unregister(regKey);
SxCommands.Unregister(regKey);
ControlsCommands.Unregister(regKey);
}
#endregion
#endregion
private IHookHelper m_hookHelper = null;
private IGlobeHookHelper m_globeHookHelper = null;
private bool m_bConnected = false;
private RSSWeather m_rssWeather = null;
public AddRSSWeather()
{
base.m_category = "Weather";
base.m_caption = "Add RSS Weather";
base.m_message = "Add RSS Weather";
base.m_toolTip = "Add RSS Weather";
base.m_name = "Add RSS Weather";
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;
// Test the hook that calls this command and disable if nothing is valid
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)
{
//Can be globe
try
{
m_globeHookHelper = new GlobeHookHelperClass();
m_globeHookHelper.Hook = hook;
if (m_globeHookHelper.ActiveViewer == null)
{
m_globeHookHelper = null;
}
}
catch
{
m_globeHookHelper = null;
}
}
if (m_globeHookHelper == null && m_hookHelper == null)
base.m_enabled = false;
else
base.m_enabled = true;
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
IBasicMap basicMap = null;
if (m_hookHelper != null)
{
basicMap = m_hookHelper.FocusMap as IBasicMap;
}
else if (m_globeHookHelper != null)
{
basicMap = m_globeHookHelper.Globe as IBasicMap;
}
if (basicMap == null)
return;
try
{
if (!m_bConnected)
{
m_rssWeather = new RSSWeather();
m_rssWeather.Init(basicMap);
}
else
{
m_rssWeather.Remove();
m_rssWeather = null;
}
m_bConnected = !m_bConnected;
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
public override bool Checked
{
get
{
return m_bConnected;
}
}
#endregion
}
}
[Visual Basic .NET]
AddRSSWeather.vb
Imports System.Drawing
Imports System.Runtime.InteropServices
Imports ESRI.ArcGIS.ADF.BaseClasses
Imports ESRI.ArcGIS.ADF.CATIDs
Imports ESRI.ArcGIS.Controls
Imports ESRI.ArcGIS.Carto
''' <summary>
''' Command that works in ArcMap/Map/PageLayout, ArcScene/SceneControl
''' or ArcGlobe/GlobeControl
''' </summary>
<Guid("ffae67a3-92b6-47d6-9d33-a8dd909a53c4")> _
<ClassInterface(ClassInterfaceType.None)> _
<ProgId("RSSWeatherGraphicTracker.AddRSSWeather")> _
Public NotInheritable Class AddRSSWeather
Inherits BaseCommand
#Region "COM Registration Function(s)"
<ComRegisterFunction> _
<ComVisible(False)> _
Private Shared Sub RegisterFunction(registerType As Type)
' Required for ArcGIS Component Category Registrar support
ArcGISCategoryRegistration(registerType)
End Sub
<ComUnregisterFunction> _
<ComVisible(False)> _
Private Shared Sub UnregisterFunction(registerType As Type)
' Required for ArcGIS Component Category Registrar support
ArcGISCategoryUnregistration(registerType)
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(registerType As Type)
Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
GMxCommands.Register(regKey)
MxCommands.Register(regKey)
SxCommands.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(registerType As Type)
Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
GMxCommands.Unregister(regKey)
MxCommands.Unregister(regKey)
SxCommands.Unregister(regKey)
ControlsCommands.Unregister(regKey)
End Sub
#End Region
#End Region
Private m_hookHelper As IHookHelper = Nothing
Private m_globeHookHelper As IGlobeHookHelper = Nothing
Private m_bConnected As Boolean = False
Private m_rssWeather As RSSWeather = Nothing
Public Sub New()
MyBase.m_category = "Weather"
MyBase.m_caption = "Add RSS Weather"
MyBase.m_message = "Add RSS Weather"
MyBase.m_toolTip = "Add RSS Weather"
MyBase.m_name = "Add RSS Weather"
Try
Dim bitmapResourceName As String = [GetType]().Name & ".bmp"
MyBase.m_bitmap = New Bitmap([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
' Test the hook that calls this command and disable if nothing is valid
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
'Can be globe
Try
m_globeHookHelper = New GlobeHookHelperClass()
m_globeHookHelper.Hook = hook
If m_globeHookHelper.ActiveViewer Is Nothing Then
m_globeHookHelper = Nothing
End If
Catch
m_globeHookHelper = Nothing
End Try
End If
If m_globeHookHelper Is Nothing AndAlso 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()
Dim basicMap As IBasicMap = Nothing
If m_hookHelper IsNot Nothing Then
basicMap = TryCast(m_hookHelper.FocusMap, IBasicMap)
ElseIf m_globeHookHelper IsNot Nothing Then
basicMap = TryCast(m_globeHookHelper.Globe, IBasicMap)
End If
If basicMap Is Nothing Then
Return
End If
Try
If Not m_bConnected Then
m_rssWeather = New RSSWeather()
m_rssWeather.Init(basicMap)
Else
m_rssWeather.Remove()
m_rssWeather = Nothing
End If
m_bConnected = Not m_bConnected
Catch ex As Exception
System.Diagnostics.Trace.WriteLine(ex.Message)
End Try
End Sub
Public Overrides ReadOnly Property Checked() As Boolean
Get
Return m_bConnected
End Get
End Property
#End Region
End Class