************** 异常文本 ************** System.NullReferenceException: 未将对象引用设置到对象的实例。 at ChatClient.ChatClientForm.btnExit_Click(Object sender, EventArgs e) in d:\visual studio projects\chatclient\chatclientform.cs:line 287 at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) 压缩包内有源码 以上错误是在运行.exe文件时产生的错误 哪位高人发现错误料，能否帮忙纠正之后 传给我weweup@163.com xie xie

[此贴子已经被作者于2005-5-14 14:32:22编辑过]

客户端出错