DocToolkit/MruManager.cs

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#region Using directives

using System;
using System.Windows.Forms;
using System.Diagnostics;
using System.Collections.Generic;
using Microsoft.Win32;
using System.IO;
using System.Text;
using System.Runtime.InteropServices;
using System.Globalization;
using System.Security;

#endregion

namespace DocToolkit
{
    using StringList = List<String>;
    using StringEnumerator = IEnumerator<String>;

    /// <summary>
    /// MRU manager - manages Most Recently Used Files list
    /// for Windows Form application.
    /// </summary>
    public class MruManager
    {
        #region Members

        // Event raised when user selects file from MRU list
        public event MruFileOpenEventHandler MruOpenEvent;

        private Form ownerForm;                 // owner form

        private ToolStripMenuItem menuItemMRU;  // Recent Files menu item
        private ToolStripMenuItem menuItemParent;        // Recent Files menu item parent

        private string registryPath;            // Registry path to keep MRU list

        private int maxNumberOfFiles = 10;      // maximum number of files in MRU list

        private int maxDisplayLength = 40;      // maximum length of file name for display

        private string currentDirectory;        // current directory

        private StringList mruList;              // MRU list (file names)

        private const string regEntryName = "file";  // entry name to keep MRU (file0, file1...)

        #endregion

        #region Windows API

        [DllImport("shlwapi.dll", CharSet = CharSet.Auto)]
        private static extern bool PathCompactPathEx(
            StringBuilder pszOut,
            string pszPath,
            int cchMax,
            int reserved);

        #endregion