DLL注入呼出窗口

HHOOK h_hook = NULL;
//钩子回调函数
LRESULT CALLBACK HookProc(int nCode ,WPARAM pwaram ,LPARAM lparam)
{
if((pwaram == VK_HOME)&&((lparam&(1<<31)))== 0)
{


}
return CallNextHookEx(h_hook,nCode,pwaram,lparam);
}