void COneDlg::RegSysHotkey()//加载全局原子
{
BOOL m_isKeyRegistered;
HWND hWnd = this->m_hWnd;// 获取当前窗口句柄
// 寻找HotKey对应的原子是否存在于原子列表
//Alt + Q 用此热键设置你想要的操作,例如退出图片预览
if(GlobalFindAtom("strHotKeyQuit") == 0)//返回0说明未注册此键
{
m_nHotKeyID_Q = GlobalAddAtom("strHotKeyShow");//把strHotKeyShow加入原子列表
m_isKeyRegistered = RegisterHotKey(hWnd, m_nHotKeyID_Q, MOD_ALT, 'Q'); //设置组合按键
ASSERT(m_isKeyRegistered != FALSE);
}
else
{
AfxMessageBox("热键 Alt + Q 已经存在!");
PostQuitMessage(0);
}
}
void COneDlg::DelSysHotkey()//卸载全局原子,否则会一直占用
{
HWND hWnd = this->m_hWnd;
BOOL m_iskeyUnregistered;
//Alt + Q
m_iskeyUnregistered = UnregisterHotKey(hWnd, m_nHotKeyID_Q); //卸载 m_nHotKeyID_Q
ASSERT(m_iskeyUnregistered); //判断错误
GlobalDeleteAtom(m_nHotKeyID_Q);
}