procedure ShowStartButton(bValue: 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)
if bValue = True then ShowWindow(Child, 1)
else
ShowWindow(Child, 0);
end;
end;
Child := GetWindow(Child, GW_HWNDNEXT);
end;
end;
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