判断系统是否是64位的方法有很多。//www.uzhanbao.com 对于C#来说，调用WMI是一种简单易行的方式。我们可以用Win32_Processor类里面的AddressWidth属性来表示系统的位宽。AddressWidth的值受CPU和操作系统的双重影响。
具体的值如下面的表格所示：
32bit OS 64bit OS 32bit CPU AddressWidth = 32 N/A 64bit CPU AddressWidth = 32 AddressWidth = 64
可以用下面的C#代码得到AddressWidth的值 (注意需添加引用System.Management） public static string Detect3264() { ConnectionOptions oConn = new ConnectionOptions(); System.Management.ManagementScope oMs = new System.Management.ManagementScope("\\\\localhost", oConn); System.Management.ObjectQuery oQuery = new System.Management.ObjectQuery("select AddressWidth from Win32_Processor"); ManagementObjectSearcher oSearcher = new ManagementObjectSearcher(oMs, oQuery); ManagementObjectCollection oReturnCollection = oSearcher.Get(); string addressWidth = null;
foreach (ManagementObject oReturn in oReturnCollection) { addressWidth = oReturn["AddressWidth"].ToString(); }
return addressWidth; } ?
