俄罗斯方块是一个经典而又有趣的游戏，可以很好的培养玩家的反应能力和瞬间决策能力，随着方块的不断下降，玩家要变换方块的形状以适合自己要放的位置的形状。玩家通过上下左右键来控制组合方块的形状和方向。-Tetris is a classic and fun game, good training response capability and instant decision-making ability of the players, with the declining of the box, t

基于IP多播的组讨论的软件。用户运行之后即自动加入会议组，发送消息窗口下的组合框列出在线成员，可选定单选按键 面向组 。-Based on IP Multicast group discussion software. User to run automatically after the group joined the meeting, send the message window of the combo box under the list of members online to s