public static extern bool XcareCacheInformation(int Cache_Number, ref cache_info_type_7 t7);
private void button_type7_Click(object sender, EventArgs e) { WMI_DLL.XcareInitSMBiosData(); cache_info_type_7 t7 = new cache_info_type_7(); WMI_DLL.XcareCacheInformation(1, ref t7); label_socket_designation.Text = "socket_designation: " + t7.socket_designation.ToString(); }