HWND TrayNotifyCreate(HWND hwndParent, UINT uID, HINSTANCE hInst); LRESULT TrayNotify(HWND hwndTray, HWND hwndFrom, PCOPYDATASTRUCT pcds); #define TNM_GETCLOCK (WM_USER + 1) #define TNM_HIDECLOCK (WM_USER + 2) #define TNM_TRAYHIDE (WM_USER + 3)