如何获得RAS断开连接的原因

Question

Working on USB Modem, Used RAS interface for dail/hangup.

• For connection used RASDial() and for disconnection used RASHangUp() API's.
• After successful connection waiting for the disconnect event using function RasConnectionNotification(rasHandle, event, RASCN_Disconnection), event notifies successfully when disconnect happens.
• I need to find out the reason of disconnection, if it disconnect due to lost network signal then put my application on auto reconnect.

Is there any method or API which provides the reason for disconnection like LINK_FAILED, USER_SWITCH, USER_LOGOFF ... etc.

Answer 1

RasGetConnectStatus API可以在RASCONNSTATUS .dwError字段中提供原因。