private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
_instructions?.Clear();
_instructions = null;
_executionEnvironment?.Dispose();
_executionEnvironment = null;
_executor?.Dispose();
_executor = null;
}
private void CloseFile()
{
_currentFileStream.Close();
_currentFileName = null;
_instructions.Clear();
_instructions = null;
_executionEnvironment.Dispose();
_executionEnvironment = null;
_executor.Dispose();
_executor = null;
ResetUi();
}