在Windows Mobile中编写该聊天应用程序您可以使用没有紧凑框架的方式进行编写，但是屏幕尺寸会更小.

You write it the same way you would without the compact framework, the screen size is just smaller.

如果您打算使用蓝牙作为通信通道，则默认情况下Windows Mobile API不会公开他们.但是，您始终可以通过OEM SDK或第三方SDK使用WIDCOMM或Microsoft BT堆栈.

If you are planning to use Bluetooth as the communication channel then by default Windows Mobile APIs doesnot expose them. But you can always use WIDCOMM or Microsoft BT stack by the OEMs sdk or thrid party sdk.