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procedure TForm1.Button1Click(Sender: TObject);
var
Rgn : hRgn;
begin
{Hide the start button}
Rgn := CreateRectRgn(0, 0, 0, 0);
SetWindowRgn(FindWindowEx(FindWindow('Shell_TrayWnd', nil),
0,
'Button',
nil),
Rgn,
true);
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
{Turn the start button back on}
SetWindowRgn(FindWindowEx(FindWindow('Shell_TrayWnd', nil),
0,
'Button',
nil),
0,
true);
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
{Disable the start button}
EnableWindow(FindWindowEx(FindWindow('Shell_TrayWnd', nil),
0,
'Button',
nil),
false);
end;
procedure TForm1.Button4Click(Sender: TObject);
begin
{Enable the start button}
EnableWindow(FindWindowEx(FindWindow('Shell_TrayWnd', nil),
0,
'Button',
nil),
true);
end
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