private void errorListToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (errorsForm == null)
            {
                errorsForm = new ErrorsForm();
            }

            errorsForm.Show();
        }
        private void initFileValidation()
        {
            if (errorsForm == null)
            {
                errorsForm = new ErrorsForm();
            }

            mainFormTextBox.Text = "";
            errorsForm.ClearErrors();
        }