Example #1
0
        /// <summary>
        /// 将消息分发给对应的聊天窗口
        /// </summary>
        public void DistributeToChatForm()
        {
            try
            {
                //如果存在,将消息传到这个窗口,如果不存在,创建一个新窗口

                //找到当前已经打开的聊天窗口的句柄
                string windowsName = "与" + Remoteuser + "聊天中";
                IntPtr handle      = Find_Windows(null, windowsName);
                if (handle != IntPtr.Zero)
                {
                    //进程间通信时,必须对要发送的数据进行编码封装,直接发string类型,收到会出错
                    byte[] msg_bytes = Encoding.Default.GetBytes(Msgdetail);
                    int    msg_len   = msg_bytes.Length;
                    PreDefine.COPYDATASTRUCT msg_struct;
                    msg_struct.dwData = (IntPtr)0;//该程序中此变量不被使用
                    msg_struct.lpData = Msgdetail;
                    msg_struct.cbData = Encoding.Default.GetBytes(Msgdetail).Length + 1;

                    Send_Messages(handle, PreDefine.WM_COPYDATA, 0, ref msg_struct);
                    Flash_Windows(handle, true);
                }
                else
                {
                    frmChat chatForm = new frmChat(Remoteip, Remoteuser, Remotehostname, Msgdetail);
                    chatForm.Text        = windowsName;
                    chatForm.WindowState = System.Windows.Forms.FormWindowState.Minimized; //指定窗口状态为最小化状态
                    chatForm.ShowDialog();                                                 //显示窗口,由于窗口状态为最小化,窗口只在任务栏上显示
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "消息分发出错");
            }
        }
Example #2
0
 private void lvwUsers_ItemActivate(object sender, EventArgs e)
 {
     if (lvwUsers.SelectedItems[0].Index != -1)
     {
         string windowname = "与" + lvwUsers.SelectedItems[0].SubItems[0].Text + "聊天中";
         IntPtr handle     = FindChatWindow(null, windowname);
         if (handle != IntPtr.Zero)
         {
             Form frm = (Form)FromHandle(handle);
             frm.WindowState = FormWindowState.Normal;
             frm.Activate();
         }
         else
         {
             string  user     = lvwUsers.SelectedItems[0].SubItems[1].Text;
             string  ip       = lvwUsers.SelectedItems[0].SubItems[2].Text;
             string  hostname = lvwUsers.SelectedItems[0].SubItems[3].Text;
             frmChat chatform = new frmChat(ip, user, hostname, string.Empty);
             chatform.Text = "与" + user + "聊天中";
             chatform.Show();
         }
     }
 }