This article demonstrates how to hide the start button in Windows.
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
startbutton_handle:=child;
If Visi then ShowWindow(Child, 1) else ShowWindow(Child, 0);
end;
end;
Child := GetWindow(Child, GW_HWNDNEXT);
end;
end;