//打开服务器端的界面
private void btn_Server_Click(object sender, EventArgs e)
{
if (server == null)
{
server = new Frm_Server();
server.Show();
//子窗口关闭后释放实例
server.FormClosing += ReleaseObjct_Server;
}
else
{
server.Activate();
}
}
private void ReleaseObjct_Server(object sender, FormClosingEventArgs e)
{
//释放实例
server = null;
}