'HDEVNOTIFY' : missing storage-class or type specifiers
2011-08-23 10:09
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由于要响应设备的插拔，所有要注册设备的事件通知，用到'HDEVNOTIFY' 等的时侯，编译出现了莫名奇妙的错误：
error C2146: syntax error : missing ';' before identifier 'm_hDevNotify'
error C2501: 'HDEVNOTIFY' : missing storage-class or type specifiers
error C2065: 'UnregisterDeviceNotification' : undeclared identifier
error C2065: 'DEV_BROADCAST_DEVICEINTERFACE' : undeclared identifier
error C2065: 'DEVICE_NOTIFY_WINDOW_HANDLE' : undeclared identifier
后在MSDN上找到答案，只要在stdafx.h的开始定义WINVER大于0x0500即可：
例如： #define WINVER 0x0501
error C2146: syntax error : missing ';' before identifier 'm_hDevNotify'
error C2501: 'HDEVNOTIFY' : missing storage-class or type specifiers
error C2065: 'UnregisterDeviceNotification' : undeclared identifier
error C2065: 'DEV_BROADCAST_DEVICEINTERFACE' : undeclared identifier
error C2065: 'DEVICE_NOTIFY_WINDOW_HANDLE' : undeclared identifier
后在MSDN上找到答案，只要在stdafx.h的开始定义WINVER大于0x0500即可：
例如： #define WINVER 0x0501
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