Code:

unit Stealth;

interface

uses

WinTypes, WinProcs, Classes, Forms, SysUtils, Controls, Messages;

type

TStealth = class(TComponent)

private

fHideApp: Boolean;

procedure SetHideApp(Value: Boolean);

protected

{ Protected declarations }

procedure HideApplication;

procedure ShowApplication;

public

{ Public declarations }

constructor Create(AOwner: TComponent); override;

destructor Destroy; override;

// procedure Loaded; override;

published

{ Published declarations }

property HideApp: Boolean read fHideApp write SetHideApp default false;

end;

function RegisterServiceProcess(dwProcessID, dwType: Integer): Integer; stdcall; external 'KERNEL32.DLL';

procedure Register;

implementation

destructor TStealth.Destroy;

begin

ShowApplication;

inherited destroy;

end;

constructor TStealth.Create(AOwner: TComponent);

begin

inherited Create(AOwner);

// fHideform := true;

end;

procedure TStealth.SetHideApp(Value: Boolean);

begin

fHideApp := Value;

if Value then HideApplication else ShowApplication;

end;

procedure TStealth.HideApplication;

begin

if not (csDesigning in ComponentState) then

RegisterServiceProcess(GetCurrentProcessID, 1);

end;

procedure TStealth.ShowApplication;

begin

if not (csDesigning in ComponentState) then

RegisterServiceProcess(GetCurrentProcessID, 0);

end;

procedure Register;

begin

RegisterComponents('My', [TStealth]);

end;

end.