c# 检测32/64系统

private int Detect3264()

{

ConnectionOptions oConn = new ConnectionOptions();

ManagementScope oMs = new ManagementScope("\\\\localhost", oConn);

ObjectQuery oQuery = new 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 Convert.ToInt32(addressWidth);

}

最后别忘添加引用System.Management