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procedure TForm75.ApplicationMinimize(Sender: TObject);
begin
  WindowState := wsMaximized;
  FormStyle := fsStayOnTop;
  Application.ProcessMessages;
  FormStyle := fsNormal;
end;

procedure TForm75.FormResize(Sender: TObject);
begin
  WindowState := wsMaximized;
end;                    

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{------------------------------ Sicherung -------------------------------------}

procedure TF_main.ApplicationMinimize(Sender: TObject);
begin
  if SafetyStatus = 'True' then
    begin
      WindowState := wsMaximized;
      FormStyle := fsStayOnTop;
      Application.ProcessMessages;
      FormStyle := fsNormal;
    end;
end;

procedure TF_Main.SecureWindow(SafetyStatus: String);
begin

  if SafetyStatus = 'True' then BorderIcons := Bordericons - [biMinimize]
  else  BorderIcons := Bordericons + [biMinimize] ;

end;

procedure TF_Main.FormCreate(Sender: TObject);
begin

  filename := ExtractFilePath(ParamStr(0)) + 'Settings.ini';
  ini := TIniFile.Create(filename);

  Safetystatus := ini.ReadString('Settings','Safety','False');
  Application.OnMinimize := ApplicationMinimize;
  SecureWindow(SafetyStatus);
end;


procedure TF_Main.FormResize(Sender: TObject);
begin
    if SafetyStatus = 'True' then WindowState := wsMaximized;
end;                    

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SafetyStatus = 'True'