procedure TForm1.SetVisible(c: TClass; Vis: boolean);
var
i: integer;
begin
for i := 0 to ControlCount - 1 do
begin
if (Controls[i] is c) then
Controls[i].Visible := Vis;
end;
end;
procedure TForm1.SetVisible(c: TClass; Vis: boolean);
var
i: integer;
begin
for i := 0 to ControlCount - 1 do
begin
if (Controls[i] is c) then
Controls[i].Visible := Vis;
end;
end;