unit about;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, shellapi;

type
  Tfrmabout = class(TForm)
    btnyes: TButton;
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Bevel1: TBevel;
    Bevel3: TBevel;
    lblOS: TLabel;
    lblMemory: TLabel;
    procedure btnyesClick(Sender: TObject);
    procedure Label2DblClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    procedure GetMemoryInfo;
    procedure GetOSInfo;
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmabout: Tfrmabout;

implementation

{$R *.dfm}

procedure Tfrmabout.GetMemoryInfo; //可用資源
var
  MS: TMemoryStatus;
begin
  MS.dwLength := SizeOf(TMemoryStatus);
  GlobalMemoryStatus(MS);
  lblMemory.Caption := lblMemory.Caption + FormatFloat('#,###" KB"', MS.dwTotalPhys div 1024);
end;

procedure Tfrmabout.GetOSInfo; //獲取系統信息
var
  Platform: string;
  BuildNumber: Integer;
begin
  case Win32Platform of
    VER_PLATFORM_WIN32_WINDOWS:
      begin
        Platform := 'Windows 95';
        BuildNumber := Win32BuildNumber and $0000FFFF;
      end;
    VER_PLATFORM_WIN32_NT:
      begin
        Platform := 'Windows NT';
        BuildNumber := Win32BuildNumber;
      end;
  else
    begin
      Platform := 'Windows';
      BuildNumber := 0;
    end;
  end;

  if (Win32Platform = VER_PLATFORM_WIN32_WINDOWS)
    or (Win32Platform = VER_PLATFORM_WIN32_NT) then
  begin
    if Win32CSDVersion = ''
      then lblOS.Caption := lblOS.Caption + Format('%s%s          %d.%d (Build %d)', [Platform, #13, Win32MajorVersion, Win32MinorVersion, BuildNumber])
    else lblOS.Caption := lblOS.Caption + Format('%s%s          %d.%d (Build %d: %s)', [Platform, #13, Win32MajorVersion, Win32MinorVersion, BuildNumber, Win32CSDVersion]);
  end else lblOS.Caption := lblOS.Caption + Format('%s%s          %d.%d', [Platform, #13, Win32MajorVersion, Win32MinorVersion])
end;

procedure Tfrmabout.btnyesClick(Sender: TObject);
begin
  Self.Close;
end;

procedure Tfrmabout.Label2DblClick(Sender: TObject);
begin
  ShellExecute(Handle, 'open', PChar('mailto:nciwp@126.com?subject=關于電子通訊記錄&cc=niuchao1234@163.com'), nil, nil, SW_SHOW);
end;

procedure Tfrmabout.FormCreate(Sender: TObject);
begin
  GetMemoryInfo;
  GetOSInfo;
end;

end.