unit1.pas

在控制系统中实现屏蔽系统的功能键的delphi工程文件

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
Var
   TempInt:integer;
begin
   //屏蔽系统功能键
   SystemParametersInfo(SPI_SCREENSAVERRUNNING,1,@tempInt,0);
End;

procedure TForm1.Button2Click(Sender: TObject);
Var
  tempInt:integer;
begin
  //取消屏蔽系统功能键
  SystemParametersInfo(SPI_SCREENSAVERRUNNING,0,@tempInt,0);
end;


end.