wmi 读取所有已安装软件

void Main()
{
    ManagementObjectSearcher searcher = 
                    new ManagementObjectSearcher("root\\CIMV2", 
                    "SELECT * FROM Win32_Product"); 

                foreach (ManagementObject queryObj in searcher.Get())
                {
                    Console.WriteLine("-----------------------------------");
        Console.WriteLine("Win32_Product instance");
        Console.WriteLine("-----------------------------------");
        Console.WriteLine("Name: {0}", queryObj["Name"]);
        Console.WriteLine("Version: {0}", queryObj["Version"]);
    }
}

void Main()
{
    ManagementClass mgmt = new ManagementClass("Win32_Product");
    ManagementObjectCollection objCol = mgmt.GetInstances();
    foreach (ManagementObject obj in objCol)
    {
        Console.WriteLine("Product Name: {0}, Version: {1}.",
            obj.Properties["Name"].Value.ToString(),
            obj.Properties["Version"].Value.ToString());
    }
}