RSSLayerProperties.vb
' Copyright 2010 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 Microsoft.VisualBasic Imports System Imports System.Drawing Imports System.Runtime.InteropServices Imports System.Messaging Imports System.Windows.Forms Imports ESRI.ArcGIS.ADF.BaseClasses Imports ESRI.ArcGIS.ADF.CATIDs Imports ESRI.ArcGIS.Controls Imports ESRI.ArcGIS.Carto ''' <summary> ''' Summary description for RSSLayerProperties. ''' </summary> <Guid("C8442468-53EE-40d7-A241-896FB8B2E027"), ClassInterface(ClassInterfaceType.None), ProgId("RSSLayerProperties"), ComVisible(True)> _ Public NotInheritable Class RSSLayerProperties : 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) 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 Public Sub New() MyBase.m_category = "Weather" MyBase.m_caption = "Weather Layer properties" MyBase.m_message = "Show RSS Weather Layer properties" MyBase.m_toolTip = "Show RSS Weather Layer properties" MyBase.m_name = MyBase.m_category & "_" & MyBase.m_caption 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 m_pHookHelper Is Nothing Then m_pHookHelper = New HookHelperClass() End If m_pHookHelper.Hook = hook ' TODO: Add RSSLayerProperties.OnCreate implementation End Sub ''' <summary> ''' Occurs when this command is clicked ''' </summary> Public Overrides Sub OnClick() Try 'search for the weatherLayer first Dim layer As ILayer = Nothing Dim RSSLayer As RSSWeatherLayerClass = Nothing If m_pHookHelper.FocusMap.LayerCount = 0 Then Return End If Dim layers As IEnumLayer = m_pHookHelper.FocusMap.Layers(Nothing, False) layers.Reset() layer = layers.Next() Do While Not layer Is Nothing If TypeOf layer Is RSSWeatherLayerClass Then RSSLayer = CType(layer, RSSWeatherLayerClass) Exit Do End If layer = layers.Next() Loop 'In case that the weather layer wasn't found,just return If Nothing Is RSSLayer Then Return End If 'Launch the layer's properties Dim typ As Type Dim obj As Object Dim g As Guid() ' METHOD 1: Instantiating a COM object and displaying its property pages ' ONLY WORKS ON TRUE COM OBJECTS! .NET objects that have rolled their own ' ISpecifyPropertyPages implementation will error out when you try to cast ' the instantiated object to your own ISpecifyPropertyPages implementation. ' Get the typeinfo for the ActiveX common dialog control typ = Type.GetTypeFromProgID("MSComDlg.CommonDialog") ' Create an instance of the control. We pass it to the property frame function ' so the property pages have an object from which to get current settings and apply ' new settings. obj = Activator.CreateInstance(typ) ' This handy function calls IPersistStreamInit->New on COM objects to initialize them ActiveXMessageFormatter.InitStreamedObject(obj) ' Get the property pages for the control using the direct CAUUID method ' This only works for true COM objects and I demonstrate it here only ' to show how it is done. Use the static method ' PropertyPage.GetPagesForType() method for real-world use. Dim pag As ISpecifyPropertyPages = CType(obj, ISpecifyPropertyPages) Dim cau As CAUUID = New CAUUID(0) pag.GetPages(cau) g = cau.GetPages() ' Instantiating a .NET object and displaying its property pages ' WORKS ON ALL OBJECTS, .NET or COM ' Create an instance of the .NET control, MyUserControl typ = Type.GetTypeFromProgID("PropertySheet") ' Retrieve the pages for the control g = PropertyPage.GetPagesForType(typ) ' Create an instance of the control that we can give to the property pages obj = Activator.CreateInstance(typ) 'add the RSS layer to the property-sheet control CType(obj, PropertySheet).RSSWatherLayer = RSSLayer ' Display the OLE Property page for the control Dim items As Object() = New Object() {obj} PropertyPage.CreatePropertyFrame(IntPtr.Zero, 500, 500, "RSS Layer properties", items, g) Catch ex As Exception System.Diagnostics.Trace.WriteLine(ex.Message) End Try End Sub #End Region End Class