C # How to obtain the physical serial number of the cpu and Hard Disk

Using system;

Using system. runtime. interopservices;

Using system. management;

Namespace hardware

{

/// <Summary>

/// Summary of hardware_mac.

/// </Summary>

Public class hardwareinfo

{

// Obtain the machine name

Public string gethostname ()

{

Return system.net. dns. gethostname ();

}

// Obtain the cpu ID

Public string getcpuid ()

{

Try

{

Managementclass mc = new managementclass ("win32_processor ");

Managementobjectcollection moc = mc. getinstances ();

String strcpuid = null;

Foreach (managementobject mo in moc)

{

Strcpuid = mo. properties ["processorid"]. value. tostring ();

Break;

}

Return strcpuid;

}

Catch

{

Return "";

}

} // End method

// Obtain the cpu serial number www.qichepeijian.com

Public string getcpuid2 ()

{

Try

{

System. Management. ManagementObjectSearcher Wmi = new ManagementObjectSearcher ("SELECT * FROM Win32_Processor ");

String tmpUint32_1 = string. Empty;

Foreach (ManagementObject WmiObj in Wmi. Get ())

{

TmpUint32_1 = WmiObj ["ProcessorId"]. ToString ();

}

This. textBox2.Text = tmpUint32_1;

This. gProgressBar1.Value ++;

}

Catch (Exception ex2)

{

Throw new Exception (ex2.ToString ());

}

}

// Obtain the first hard disk number

Public string getharddiskid ()

{

Try

{

Managementobjectsearcher searcher = new managementobjectsearcher ("select * from win32_physicalmedia ");

String strharddiskid = null;

Foreach (managementobject mo in searcher. get ())

{

Strharddiskid = mo ["serialnumber"]. tostring (). trim ();

Break;

}

Return strharddiskid;

}

Catch

{

Return "";

}

} // End

// Obtain the disk serial number

Public string getharddiskid2 ()

{

Try

{

System. Management. ManagementObjectSearcher cmicWmi = new ManagementObjectSearcher ("SELECT * FROM Win32_DiskDrive ");

System. UInt32 tmpUint32 = 0;

Foreach (ManagementObject cmicWmiObj in cmicWmi. Get ())

{

TmpUint32 = Convert. ToUInt32 (cmicWmiObj ["signature"]. ToString ());

}

This. textBox1.Text = tmpUint32.ToString ();

This. gProgressBar1.Value ++;

}

Catch (Exception ex1)

{

Throw new Exception (ex1.ToString ());

}

}

/// <Summary>

/// Obtain the hard disk ID

/// </Summary>

/// <Returns> string </returns>

Public string GetHDid ()

{

String HDid = "";

Using (ManagementClass cimobject1 = new ManagementClass ("Win32_DiskDrive "))

{

ManagementObjectCollection moc1 = cimobject1.GetInstances ();

Foreach (ManagementObject mo in moc1)

{

HDid = (string) mo. Properties ["Model"]. Value;

Mo. Dispose ();

}

}

Return HDid. ToString ();

}

/// <Summary>

/// Obtain the hardware address of the NIC

/// </Summary>

/// <Returns> string </returns>

Public string GetMoAddress ()

{

String MoAddress = "";

Using (ManagementClass mc = new ManagementClass ("Win32_NetworkAdapterConfiguration "))

{

ManagementObjectCollection moc2 = mc. GetInstances ();

Foreach (ManagementObject mo in moc2)

{

If (bool) mo ["IPEnabled"] = true)

MoAddress = mo ["MacAddress"]. ToString ();

Mo. Dispose ();

}

}

Return MoAddress. ToString ();

}

}

}