private void OpenFileCommand() { var openFileDialog = new OpenFileDialog { Filter = "Verilog files (*.v)|*.v|Text files (*.txt)|*.txt|All files (*.*)|*.*", InitialDirectory = AppDomain.CurrentDomain.BaseDirectory }; if (openFileDialog.ShowDialog() == true) { NetlistReadFilePath = openFileDialog.FileName; _netlistReadCommand = true; _toolRunner.ReadNetlist(NetlistReadFilePath); } }