BExplorer.Shell.SystemImageList.UseSystemImageList C# (CSharp) Method

        public static void UseSystemImageList(ListView control)
        {
            IntPtr large, small;
            int x, y;

            if (control.LargeImageList == null)
            {
                control.LargeImageList = new System.Windows.Forms.ImageList();
            }

            if (control.SmallImageList == null)
            {
                control.SmallImageList = new System.Windows.Forms.ImageList();
            }

            Shell32.FileIconInit(true);
            if (!Shell32.Shell_GetImageLists(out large, out small))
            {
                throw new Exception("Failed to get system image list");
            }

            ComCtl32.ImageList_GetIconSize(large, out x, out y);
            control.LargeImageList.ImageSize = new System.Drawing.Size(x, y);
            ComCtl32.ImageList_GetIconSize(small, out x, out y);
            control.SmallImageList.ImageSize = new System.Drawing.Size(x, y);

            User32.SendMessage(control.Handle, MSG.LVM_SETIMAGELIST, (int)LVSIL.LVSIL_NORMAL, LargeImageList);
            User32.SendMessage(control.Handle, MSG.LVM_SETIMAGELIST, (int)LVSIL.LVSIL_SMALL, SmallImageList);
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="ShellTreeView"/> class.
        /// </summary>
        public ShellTreeView()
        {
            m_TreeView               = new TreeViewBase();
            m_TreeView.Dock          = DockStyle.Fill;
            m_TreeView.BackColor     = Color.White;
            m_TreeView.HideSelection = false;
            m_TreeView.HotTracking   = true;
            m_TreeView.Parent        = this;
            m_TreeView.ShowRootLines = false;
            m_TreeView.AfterSelect  += new TreeViewEventHandler(m_TreeView_AfterSelect);
            m_TreeView.BeforeExpand += new TreeViewCancelEventHandler(m_TreeView_BeforeExpand);
            m_TreeView.ItemDrag     += new ItemDragEventHandler(m_TreeView_ItemDrag);
            m_TreeView.MouseDown    += new MouseEventHandler(m_TreeView_MouseDown);
            m_TreeView.MouseUp      += new MouseEventHandler(m_TreeView_MouseUp);
            m_TreeView.BorderStyle   = BorderStyle.None;
            m_ScrollTimer.Interval   = 250;
            m_ScrollTimer.Tick      += new EventHandler(m_ScrollTimer_Tick);
            Size = new System.Drawing.Size(120, 100);
            SystemImageList.UseSystemImageList(m_TreeView);

            m_ShellListener.DriveAdded     += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.DriveRemoved   += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.FolderCreated  += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.FolderDeleted  += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.FolderRenamed  += new ShellItemChangeEventHandler(m_ShellListener_ItemRenamed);
            m_ShellListener.FolderUpdated  += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.ItemCreated    += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.ItemDeleted    += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.ItemRenamed    += new ShellItemChangeEventHandler(m_ShellListener_ItemRenamed);
            m_ShellListener.ItemUpdated    += new ShellItemEventHandler(m_ShellListener_ItemUpdated);
            m_ShellListener.SharingChanged += new ShellItemEventHandler(m_ShellListener_ItemUpdated);

            // Setting AllowDrop to true then false makes sure OleInitialize()
            // is called for the thread: it must be called before we can use
            // RegisterDragDrop. There is probably a neater way of doing this.
            m_TreeView.AllowDrop = true;
            m_TreeView.AllowDrop = false;
            this.DoubleBuffered  = true;
            SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true);
            CreateItems();
        }