Delphi How to Get Computer Name

Author: admin | Category: Tips and Tricks, Windows API

The title is explain what we want to do right now. Yes, this is a delphi example how we can get the windows computer name with delphi application. This simple application need a TButton and a TEdit component. When we click the button the computer name fill the edit box.

Here's the code:

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
 
type
  TForm1 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
function GetComputerName: string;
var
  buffer: array[0..MAX_COMPUTERNAME_LENGTH + 1] of Char;
  Size: Cardinal;
begin
  Size := MAX_COMPUTERNAME_LENGTH + 1;
  Windows.GetComputerName(@buffer, Size);
  Result := StrPas(buffer);
end;
 
procedure TForm1.Button1Click(Sender: TObject);
begin
  Edit1.Text := GetComputerName;
end;
 
end.
 

Tags: computer name, Windows