Cacher le bouton démarrer

procedure hideStartbutton(visi:boolean);
Var
Tray, Child : hWnd;
C : Array[0..127] of Char;
S : String;

Begin
Tray := FindWindow('Shell_TrayWnd', NIL);
Child := GetWindow(Tray, GW_CHILD);
While Child <> 0
do Begin
If GetClassName(Child, C, SizeOf(C)) > 0
Then Begin
S := StrPAS(C);
If UpperCase(S) = 'BUTTON'
then begin
// IsWindowVisible(Child)
startbutton_handle:=child;
If Visi
then ShowWindow(Child, 1)
else ShowWindow(Child, 0);
end;
End;
Child := GetWindow(Child, GW_HWNDNEXT);
End;
End;