public static extern bool XcareProcessorInformation(int processor_Number, ref system_processor_type_4 t4);
 private void button_get_type4_Click(object sender, EventArgs e)
 {
     WMI_DLL.XcareInitSMBiosData();
     system_processor_type_4 t4 = new system_processor_type_4();
     WMI_DLL.XcareProcessorInformation(1, ref t4);
     label_type4_Manufacturer.Text = "manufacturer: " + t4.manufacturer.ToString();
 }