C# Signature:

[DllImport("kernel32.dll", SetLastError=true, CharSet=CharSet.Auto)]
static extern bool GetComputerNameEx(COMPUTER_NAME_FORMAT NameType,
   StringBuilder lpBuffer, ref uint lpnSize);
   out StringBuilder lpBuffer, ref uint lpnSize);

VB.Net Signature:

<DllImport("kernel32.dll", CharSet:=CharSet.Auto, SetLastError:=True)> _
Private Shared Function GetComputerNameEx(ByVal NameType As COMPUTER_NAME_FORMAT, ByVal lpBuffer As StringBuilder, ByRef lpnSize As UInt32) As Boolean
Private Shared Function GetComputerNameEx(ByVal NameType As COMPUTER_NAME_FORMAT, <Out()> ByVal lpBuffer As StringBuilder, ByRef lpnSize As UInt32) As Boolean
End Function

User-Defined Types:

COMPUTER_NAME_FORMAT

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

Please add some!

C# Sample:

    class Class1
    {
    enum COMPUTER_NAME_FORMAT
    {
        ComputerNameNetBIOS,
        ComputerNameDnsHostname,
        ComputerNameDnsDomain,
        ComputerNameDnsFullyQualified,
        ComputerNamePhysicalNetBIOS,
        ComputerNamePhysicalDnsHostname,
        ComputerNamePhysicalDnsDomain,
        ComputerNamePhysicalDnsFullyQualified
    }

    [DllImport("kernel32.dll", SetLastError=true, CharSet=CharSet.Auto)]
    static extern bool GetComputerNameEx(COMPUTER_NAME_FORMAT NameType,
        StringBuilder lpBuffer, ref uint lpnSize);
        out StringBuilder lpBuffer, ref uint lpnSize);

    [STAThread]
    static void Main(string[] args)
    {
        bool success;
        StringBuilder name = new StringBuilder(260);
        uint size = 260;
        success = GetComputerNameEx(COMPUTER_NAME_FORMAT.ComputerNameDnsDomain, name, ref size);
        success = GetComputerNameEx(COMPUTER_NAME_FORMAT.ComputerNameDnsDomain,name, ref size);
        Console.WriteLine(name.ToString());
    }
     }

Alternative Managed API:

Do you know one? Please contribute it!

Please edit this page!

Do you have...

• helpful tips or sample code to share for using this API in managed code?
• corrections to the existing content?
• variations of the signature you want to share?
• additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).