mfc-hotkey

UINT (UINT fsModifiers)
{
	if ((fsModifiers & MOD_SHIFT) && !(fsModifiers & MOD_ALT)) // shift转alt
	{
		fsModifiers &= ~MOD_SHIFT;
		fsModifiers |= HOTKEYF_SHIFT;
	}
	else if (!(fsModifiers & MOD_SHIFT) && (fsModifiers & MOD_ALT)) // alt转shift
	{
		fsModifiers &= ~MOD_ALT;
		fsModifiers |= HOTKEYF_ALT;
	}
	return fsModifiers;
}

UINT HotkeyToMod(UINT fsModifiers)
{
	if ((fsModifiers & HOTKEYF_SHIFT) && !(fsModifiers & HOTKEYF_ALT)) // shift转alt
	{
		fsModifiers &= ~HOTKEYF_SHIFT;
		fsModifiers |= MOD_SHIFT;
	}
	else if (!(fsModifiers & HOTKEYF_SHIFT) && (fsModifiers & HOTKEYF_ALT)) // alt转shift
	{
		fsModifiers &= ~HOTKEYF_ALT;
		fsModifiers |= MOD_ALT;
	}
	return fsModifiers;
}

void CtesseractDemoDlg::OnBnClickedBtnSavehotkey()
{
	WORD wVirtualKeyCode;
	WORD wModifiers;
	m_hotkey.GetHotKey(wVirtualKeyCode, wModifiers);
	if (wVirtualKeyCode && wModifiers)
	{
		UnregisterHotKey(GetSafeHwnd(), m_iHotKeyId); //注销HotKey, 释放资源。

		wModifiers = HotkeyToMod(wModifiers);
		//注册全局热键Alt + F8
		if (0 == RegisterHotKey(GetSafeHwnd(), m_iHotKeyId, wModifiers | MOD_NOREPEAT, wVirtualKeyCode))
		{
			OutputDebugString(_T("register hotkey failed.n"));
		}
	}
}