Recently used filesCommand, MultiItem, and ComboBox
[C#]
CommandRecentFiles.cs
using System; using System.Drawing; using System.Collections.Generic; using System.Runtime.InteropServices; using ESRI.ArcGIS.ADF.BaseClasses; using ESRI.ArcGIS.ADF.CATIDs; using ESRI.ArcGIS.Framework; using Microsoft.Win32; using System.Windows.Forms; namespace RecentFilesCommandsCS { /// <summary> /// Summary description for CommandRecentFiles. /// </summary> [Guid("fbfdb761-c720-42a8-81d8-0447eb17ff0d")] [ClassInterface(ClassInterfaceType.None)] [ProgId("RecentFilesCommandsCS.CommandRecentFiles")] public sealed class CommandRecentFiles : 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); } /// <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); } #endregion #endregion private IApplication m_application; public CommandRecentFiles() { base.m_category = ".NET Samples"; base.m_caption = "Open Recent Files Dialog (C#)"; base.m_message = "Select to open document from the recent files list"; base.m_toolTip = "Recently opened files"; base.m_name = "CSNETSamples_RecentFiles"; try { base.m_bitmap = new Bitmap(GetType(), "OpenDocument.png"); } 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) { m_application = hook as IApplication; } /// <summary> /// Occurs when this command is clicked /// </summary> public override void OnClick() { string[] recentFilePaths = RecentFilesRegistryHelper.GetRecentFiles(m_application); if (recentFilePaths.Length > 0) { //Populate the form with the files FormRecentFiles recentFileForm = new FormRecentFiles(); recentFileForm.PopulateFileList(recentFilePaths); //Set up parent window for modal dialog using Application's hWnd NativeWindow parentWindow = new NativeWindow(); parentWindow.AssignHandle(new IntPtr(m_application.hWnd)); //Show dialog and open file if necessary if (recentFileForm.ShowDialog(parentWindow) == DialogResult.OK) { string path = recentFileForm.lstFiles.SelectedItem.ToString(); if (System.IO.File.Exists(path)) { m_application.OpenDocument(path); } else { MessageBox.Show(string.Format("'{0}' cannot be found", path), "File doesn't exist"); } } } } #endregion } }
[Visual Basic .NET]
CommandRecentFiles.vb
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