WINSHELLAPI BOOL WINAPI Shell_NotifyIcon(
DWORD dwMessage,
PNOTIFYICONDATA pnid
); Sends a message to the system to add, modify, or delete an icon from the taskbar status area. Returns nonzero if successful, or zero otherwise.
dwMessage
Message value to send. This parameter can be one of these values: NIM_ADD Adds an icon to the status area.
NIM_DELETE Deletes an icon from the status area.
NIM_MODIFY Modifies an icon in the status area. pnid
Address of a NOTIFYICONDATA structure. The content of the structure depends on the value of dwMessage.
DWORD dwMessage,
PNOTIFYICONDATA pnid
); Sends a message to the system to add, modify, or delete an icon from the taskbar status area. Returns nonzero if successful, or zero otherwise.
dwMessage
Message value to send. This parameter can be one of these values: NIM_ADD Adds an icon to the status area.
NIM_DELETE Deletes an icon from the status area.
NIM_MODIFY Modifies an icon in the status area. pnid
Address of a NOTIFYICONDATA structure. The content of the structure depends on the value of dwMessage.
CWnd *p=FindWindow(NULL,"上网计费");
NOTIFYICONDATA nc;
nc.hWnd=p->GetSafeHwnd();
Shell_NotifyIcon(DELETE,&nc);