定义全局变量int HotKeyId

HotKeyId = GlobalAddAtom("mHotkey") - 0xC000;
RegisterHotKey(Handle,HotKeyId,MOD_CONTROL+MOD_ALT,VK_F8);

定义消息处理函数

void __fastcall WMHotKey(TWMHotKey &Message);
 BEGIN_MESSAGE_MAP
 MESSAGE_HANDLER(WM_HOTKEY, TWMHotKey, WMHotKey)
 END_MESSAGE_MAP(TForm)

注销全局变量

UnregisterHotKey(Handle,HotKeyId);
GlobalDeleteAtom(HotKeyId);