可以讀取monitor的EDID code來看看還可以判斷是否是你要的CODE

在DOS下面读取显示器EDID信息的小程序。EDID一般包括显示器的分辨率等信息。本程序使用WatcomC编写,In the DOS to read display EDID information in the following small program. EDID generally include information such as your monitor' s resolution. The procedure used to prepare WatcomC