Recently used files—Command, 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