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   源码介绍

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C#实现远程桌面连接

using System;
using System.Drawing;
using System.Windows.Forms;

namespace MultiRemoteDesktopClient
{
    public partial class RemoteDesktopClient : Form
    {
        private int _lastPanelWidth = 0;
        private int _selIndex = 0;

        public RemoteDesktopClient(string[] args)
        {
            InitializeComponent();
            InitializeControl();
            InitializeControlEvents();
        }

        public void InitializeControl() 
        {
            this.m_View_SLIV_Details.Tag = View.Details;
            this.m_View_SLIV_Tile.Tag = View.Tile;
            this.toolbar_SLIV_Details.Tag = View.Details;
            this.toolbar_SLIV_Tile.Tag = View.Tile;

            GlobalHelper.infoWin.EnableInformationWindow = true;
            GlobalHelper.infoWin.AddControl(new object[] {
                this.lvServerLists,
                this.tabMDIChild,
                this.toolbar_EditSettings
            });

            lvServerLists.AddControlForEmptyListItem(new object[] {
                toolbar_DeleteClient,
                toolbar_EditSettings,
                m_Edit_DeleteClient,
                m_File_EditSettings
            });

            lvServerLists.AddControlForItemSelection(new object[] {
                toolbar_DeleteClient,
                toolbar_EditSettings,
                m_Edit_DeleteClient,
                m_File_EditSettings,
                lvServerListsContextMenu_DeleteClient,
                lvServerListsContextMenu_EditClientSettings
            });

            this._lastPanelWidth = this.panelServerLists.Width;
        }

        public void InitializeControlEvents()
        {
            this.Shown  = new EventHandler(RemoteDesktopClient_Shown);

            this.lvServerListsContextMenu_NewClient.Click  = new EventHandler(ShowNewForm);
            this.lvServerListsContextMenu_DeleteClient.Click  = new EventHandler(btnDelete_Click);
            this.lvServerListsContextMenu_EditClientSettings.Click  = new EventHandler(OpenSettingsWindow);

            this.lvServerLists.ItemSelectionChanged  = new ListViewItemSelectionChangedEventHandler(lvServerLists_ItemSelectionChanged);
            this.lvServerLists.DoubleClick  = new EventHandler(lvServerLists_DoubleClick);
            this.lvServerLists.MouseDown  = new MouseEventHandler(lvServerLists_MouseDown);

            //by http://bbs.cskin.net
            // server list context menu
            this.m_Edit_DeleteClient.Click  = new EventHandler(btnDelete_Click);

            this.m_Edit_DeleteClient.Click  = new EventHandler(btnDelete_Click);
            this.toolbar_DisconnectAll.Click  = new EventHandler(btnDCAll_Click);
            this.toolbar_DeleteClient.Click  = new EventHandler(btnDelete_Click);

            this.toolbar_ImportRDP.Click  = new EventHandler(ImportExportRDPFile_Button_Click);
            this.toolbar_ExportRDP.Click  = new EventHandler(ImportExportRDPFile_Button_Click);
            this.m_File_ImportRDP.Click  = new EventHandler(ImportExportRDPFile_Button_Click);
            this.m_File_ExportRDP.Click  = new EventHandler(ImportExportRDPFile_Button_Click);

            this.m_Help_About.Click  = new EventHandler(aboutToolStripMenuItem_Click);

            this.btnHideServerLists.Click  = new EventHandler(btnHideServerLists_Click);
            this.tsb_ServerLists.Click  = new EventHandler(tsb_ServerLists_Click);

            this.m_View_SLIV_Details.Click  = new EventHandler(IconViews);
            this.m_View_SLIV_Tile.Click  = new EventHandler(IconViews);
            this.toolbar_SLIV_Details.Click  = new EventHandler(IconViews);
            this.toolbar_SLIV_Tile.Click  = new EventHandler(IconViews);

            this.tabMDIChild.SelectionChanged  = new EventHandler(tabMDIChild_SelectionChanged);
            this.tabMDIChild.ClosePressed  = new EventHandler(tabMDIChild_ClosePressed);
        }

        protected override void WndProc(ref Message m)
        {
            if (m.Msg == NativeMethods.WM_SHOWME)
            {
                ShowMe();
            }

            try // cannot access a disposed object
            {
                base.WndProc(ref m);
            }
            catch (Exception ex)
            {
                // exception occurs sometimes ??
            }
        }

        #region RDP Client Window Events

        void clientWin_ServerSettingsChanged(object sender, Database.ServerDetails sd, int ListIndex)
        {
            ListViewItem item = lvServerLists.Items[ListIndex];
            
            if (item != null)
            {
                item.Text = sd.ServerName;
                item.SubItems[1].Text = sd.Server;
                item.SubItems[2].Text = sd.Description;
                item.Tag = sd;
            }
        }

        void clientWin_OnFormShown(object sender, EventArgs e, int ListIndex, IntPtr Handle)
        {
            RdpClientWindow rcw = (RdpClientWindow)sender;

            Crownwood.Magic.Controls.TabPage tabMDI = new Crownwood.Magic.Controls.TabPage(); //(rcw.Text, rcw.toolStrip1);
            tabMDI.Title = lvServerLists.Items[ListIndex].Text;
            tabMDI.ImageIndex = 0;
            tabMDI.Tag = rcw.Handle; rcw = null;
            tabMDI.Selected = true;

            tabMDIChild.TabPages.Add(tabMDI);
        }

        void clientWin_OnFormClosing(object sender, FormClosingEventArgs e, int ListIndex, IntPtr Handle)
        {
            lvServerLists.Items[ListIndex].ImageIndex = 1;

            foreach (Crownwood.Magic.Controls.TabPage tabMDI in tabMDIChild.TabPages)
            {
                if ((IntPtr)tabMDI.Tag == Handle)
                {
                    tabMDIChild.TabPages.Remove(tabMDI);
                    break;
                }
            }
        }

        void clientWin_OnFormActivated(object sender, EventArgs e, int ListIndex, IntPtr Handle)
        {
            foreach (Crownwood.Magic.Controls.TabPage tabMDI in tabMDIChild.TabPages)
            {
                if ((IntPtr)tabMDI.Tag == Handle)
                {
                    tabMDI.Selected = true;
                    break;
                }
            }
        }

        void clientWin_Disconnected(object sender, AxMSTSCLib.IMsTscAxEvents_OnDisconnectedEvent e, int ListIndex)
        {
            lvServerLists.Items[ListIndex].ImageIndex = 1;
        }

        void clientWin_Connected(object sender, EventArgs e, int ListIndex)
        {
            //lvServerLists.Items[ListIndex].ImageIndex = 0;
        }

        void clientWin_LoginComplete(object sender, EventArgs e, int ListIndex)
        {
            lvServerLists.Items[ListIndex].ImageIndex = 0;
        }

        void clientWin_Connecting(object sender, EventArgs e, int ListIndex)
        {
            lvServerLists.Items[ListIndex].ImageIndex = 2;
        }

        #endregion

        #region default control events

        void RemoteDesktopClient_Shown(object sender, EventArgs e)
        {
            GetServerLists();
        }

        #region server lists

        void lvServerLists_DoubleClick(object sender, EventArgs e)
        {
            Database.ServerDetails sd = (Database.ServerDetails)lvServerLists.Items[this._selIndex].Tag;

            bool canCreateNewForm = true;
            string formTitlePattern = "Remote Desktop Client - {0}@{1}[{2}]";
            string formTitle = string.Format(formTitlePattern, sd.Username, sd.ServerName, sd.Server);

            foreach (Form f in this.MdiChildren)
            {
                if (f.Text == formTitle)
                {
                    f.Activate();
                    canCreateNewForm = false;
                    break;
                }
            }

            if (canCreateNewForm)
            {
                RdpClientWindow clientWin = new RdpClientWindow(sd);
                clientWin.Connected  = new Connected(clientWin_Connected);
                clientWin.Connecting  = new Connecting(clientWin_Connecting);
                clientWin.LoginComplete  = new LoginComplete(clientWin_LoginComplete);
                clientWin.Disconnected  = new Disconnected(clientWin_Disconnected);
                clientWin.OnFormShown  = new OnFormShown(clientWin_OnFormShown);
                clientWin.OnFormClosing  = new OnFormClosing(clientWin_OnFormClosing);
                clientWin.OnFormActivated  = new OnFormActivated(clientWin_OnFormActivated);
                clientWin.ServerSettingsChanged  = new ServerSettingsChanged(clientWin_ServerSettingsChanged);
                clientWin.Text = formTitle;
                clientWin.MdiParent = this;
                clientWin.ListIndex = this._selIndex;
                clientWin.Show();
                clientWin.Connect();
                clientWin.Visible = true;
            }
        }

        void lvServerLists_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
        {
            this._selIndex = e.ItemIndex;
        }

        void lvServerLists_MouseDown(object sender, MouseEventArgs e)
        {
            ListViewHitTestInfo lvhi = lvServerLists.HitTest(new Point(e.X, e.Y));

            if (lvhi.Item != null)
            {
                Database.ServerDetails sd = (Database.ServerDetails)lvhi.Item.Tag;

                status_TextStatus.Text = sd.ServerName   " - "   sd.Server;
            }
            else
            {
                status_TextStatus.Text = string.Empty;
            }
        }

        void IconViews(object sender, EventArgs e)
        {
            this.lvServerLists.View = (View)((ToolStripMenuItem)sender).Tag;

            m_View_SLIV.Image = ((ToolStripMenuItem)sender).Image;
            toolbar_SLIV.Image = ((ToolStripMenuItem)sender).Image;
        }

        #endregion

        #region common toolbar button events and also contains ServerSettingsWindow events

        private void ShowNewForm(object sender, EventArgs e)
        {
            ServerSettingsWindow ssw = new ServerSettingsWindow();
            ssw.ShowDialog();

            GetServerLists();
        }

        void btnDelete_Click(object sender, EventArgs e)
        {
            Database.ServerDetails sd = (Database.ServerDetails)lvServerLists.Items[this._selIndex].Tag;

            DialogResult dr = MessageBox.Show("Are you sure you want to delete this server "   sd.ServerName   " from the server list", this.Text, MessageBoxButtons.YesNo, MessageBoxIcon.Question);

            if (dr == DialogResult.Yes)
            {
                GlobalHelper.dbServers.DeleteByID(sd.UID);

                GetServerLists();
            }
        }

        private void OpenSettingsWindow(object sender, EventArgs e)
        {
            Database.ServerDetails sd = (Database.ServerDetails)lvServerLists.Items[this._selIndex].Tag;

            ServerSettingsWindow ssw = new ServerSettingsWindow(sd);
            ssw.ApplySettings  = new ApplySettings(ssw_ApplySettings);
            ssw.GetClientWindowSize  = new GetClientWindowSize(ssw_GetClientWindowSize);
            ssw.ShowDialog();

            GetServerLists();
        }

        #region settings window event (check private void OpenSettingsWindow(object sender, EventArgs e) event)

        Rectangle ssw_GetClientWindowSize()
        {
            Database.ServerDetails sd = (Database.ServerDetails)lvServerLists.Items[this._selIndex].Tag;
            RdpClientWindow rdpClientWin = GetClientWindowByTitleParams(sd.Username, sd.ServerName, sd.Server);

            if (rdpClientWin != null)
            {
                return rdpClientWin.rdpClient.RectangleToScreen(rdpClientWin.rdpClient.ClientRectangle);
            }
            else
            {
                MessageBox.Show("The relative RDP Client Window for this server does not exists.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                Rectangle r = new Rectangle(0, 0, sd.DesktopWidth, sd.DesktopHeight);
                return r;
            }
        }

        void ssw_ApplySettings(object sender, Database.ServerDetails sd)
        {
            RdpClientWindow rdpClientWin = GetClientWindowByTitleParams(sd.Username, sd.ServerName, sd.Server);

            if (rdpClientWin != null)
            {
                rdpClientWin._sd = sd;
                rdpClientWin.Reconnect(true, false, false);
            }
            else
            {
                MessageBox.Show("The relative RDP Client Window for this server does not exists.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
        }

        #endregion

        void btnDCAll_Click(object sender, EventArgs e)
        {
            DisconnectAll();
        }

        void ImportExportRDPFile_Button_Click(object sender, EventArgs e)
        {
            if (sender == toolbar_ImportRDP || sender == m_File_ImportRDP)
            {
                ImportWindow iw = new ImportWindow();
                iw.ShowDialog();

                GetServerLists();
            }
            else if (sender == toolbar_ExportRDP || sender == m_File_ExportRDP)
            {
                ExportWindow ew = new ExportWindow(ref this.lvServerLists);
                ew.ShowDialog();
            }
        }

        #endregion

        #region show/hide toolbar and stats events

        private void ToolBarToolStripMenuItem_Click(object sender, EventArgs e)
        {
            toolStrip.Visible = toolBarToolStripMenuItem.Checked;
        }

        private void StatusBarToolStripMenuItem_Click(object sender, EventArgs e)
        {
            statusStrip.Visible = statusBarToolStripMenuItem.Checked;
        }

        #endregion

        #region client window layout

        private void LayoutMdi_Click(object sender, EventArgs e)
        {
            ToolStripMenuItem mItem = (ToolStripMenuItem)sender;

            LayoutMdi((MdiLayout)int.Parse(mItem.Tag.ToString()));
        }

        private void CloseAllToolStripMenuItem_Click(object sender, EventArgs e)
        {
            foreach (Form childForm in MdiChildren)
            {
                childForm.Close();
            }
        }

        #endregion

        void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AboutWindow aw = new AboutWindow();
            aw.ShowDialog();
        }

        private void ExitToolsStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        void btnHideServerLists_Click(object sender, EventArgs e)
        {
            this._lastPanelWidth = this.panelServerLists.Width;

            // RDPClient Control workaround
            // lost its focus whenever we programatically resize the "panelServerLists"
            // and clicking on the rdp client control won't work as if it was disabled.
            // -
            // Activating the RDP Client Control inside the RDPClientWindow won't either work.
            this.panelServerLists.Enabled = false;

            this.panelServerLists.Width = 0;
        }

        void tsb_ServerLists_Click(object sender, EventArgs e)
        {
            this.panelServerLists.Width = this._lastPanelWidth;

            this.panelServerLists.Enabled = true;
        }

        void tabMDIChild_SelectionChanged(object sender, EventArgs e)
        {
            if (tabMDIChild.SelectedTab == null) { return; }

            foreach (Form f in this.MdiChildren)
            {
                if ((IntPtr)tabMDIChild.SelectedTab.Tag == f.Handle)
                {
                    f.Activate();

                    break;
                }
            }
        }

        void tabMDIChild_ClosePressed(object sender, EventArgs e)
        {
            this.ActiveMdiChild.Close();
        }

        #endregion

        #region methods

        public void GetServerLists()
        {
            Database.Servers s = new Database.Servers();
            s.Read();

            lvServerLists.Items.Clear();

            foreach (Database.ServerDetails sd in s.ArrayListServers)
            {
                ListViewItem item = new ListViewItem(sd.ServerName);
                item.SubItems.Add(sd.Server);
                item.SubItems.Add(sd.Description);
                item.ImageIndex = 1;
                item.Tag = sd;

                lvServerLists.Items.Add(item);
            }
        }

        public RdpClientWindow GetClientWindowByTitleParams(params object[] args)
        {
            RdpClientWindow ret = null;

            string formTitlePattern = "Remote Desktop Client - {0}@{1}[{2}]";
            string formTitle = string.Format(formTitlePattern, args);

            foreach (RdpClientWindow f in this.MdiChildren)
            {
                if (f.Text == formTitle)
                {
                    ret = f;
                }
            }

            return ret;
        }

        void DisconnectAll()
        {
            foreach (RdpClientWindow f in this.MdiChildren)
            {
                f.Disconnect();
            }
        }

        private void ShowMe()
        {
            if (WindowState == FormWindowState.Minimized)
            {
                WindowState = FormWindowState.Normal;
            }
            // get our current "TopMost" value (ours will always be false though)
            bool top = TopMost;
            // make our form jump to the top of everything
            TopMost = true;
            // set it back to whatever it was
            TopMost = top;
        }

        #endregion
    }
}