CommandRecentFiles.vb
' Copyright 2012 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 System.Runtime.InteropServices Imports System.Drawing Imports ESRI.ArcGIS.ADF.BaseClasses Imports ESRI.ArcGIS.ADF.CATIDs Imports ESRI.ArcGIS.Framework Imports System.Windows.Forms <ComClass(CommandRecentFiles.ClassId, CommandRecentFiles.InterfaceId, CommandRecentFiles.EventsId), _ ProgId("RecentFilesCommandsVB.CommandRecentFiles")> _ Public NotInheritable Class CommandRecentFiles Inherits BaseCommand #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) End Sub <ComUnregisterFunction(), ComVisibleAttribute(False)> _ Public Shared Sub UnregisterFunction(ByVal 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(ByVal 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) 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) GMxCommands.Unregister(regKey) MxCommands.Unregister(regKey) SxCommands.Unregister(regKey) End Sub #End Region #End Region #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 = "4d523e63-0133-4058-b6bb-771daab01ed4" Public Const InterfaceId As String = "6a1dee8e-84c4-4c6d-baeb-c734d630fde2" Public Const EventsId As String = "7bc1c97f-82bb-4836-9477-97a28ccbb5fd" #End Region Private m_application As IApplication ' 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 = ".NET Samples" MyBase.m_caption = "Open Recent Files Dialog (VB)" MyBase.m_message = "Select to open document from the recent files list" MyBase.m_toolTip = "Recently opened files" MyBase.m_name = "VBNETSamples_RecentFiles" Try MyBase.m_bitmap = New Bitmap(Me.GetType(), "OpenDocument.png") Catch ex As Exception System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap") End Try End Sub Public Overrides Sub OnCreate(ByVal hook As Object) m_application = CType(hook, IApplication) End Sub Public Overrides Sub OnClick() Dim recentFilePaths As String() = RecentFilesRegistryHelper.GetRecentFiles(m_application) If recentFilePaths.Length > 0 Then 'Populate the form with the files Dim recentFileForm As FormRecentFiles = New FormRecentFiles() recentFileForm.PopulateFileList(recentFilePaths) 'Set up parent window for modal dialog using Application's hWnd Dim parentWindow As New NativeWindow parentWindow.AssignHandle(New IntPtr(m_application.hWnd)) 'Show dialog and open file if necessary If recentFileForm.ShowDialog(parentWindow) = DialogResult.OK Then Dim path As String = recentFileForm.lstFiles.SelectedItem.ToString() If System.IO.File.Exists(path) Then m_application.OpenDocument(path) Else MsgBox(String.Format("'{0}' cannot be found", path), , "File doesn't exist") End If End If End If End Sub End Class