private void toolStripButtonSaveAs_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();

            sfd.Filter = "bin files (*.bin)|*.bin";
            if (sfd.ShowDialog() == DialogResult.OK)
            {
                WriteRead wr = new WriteRead();
                path = sfd.FileName;
                string[,] bufMasTable = new string[masTable.GetLength(0) + 1, masTable.GetLength(1)];
                for (int i = 0; i < masTable.GetLength(0); i++)
                {
                    for (int j = 0; j < masTable.GetLength(1); j++)
                    {
                        bufMasTable[i, j] = masTable[i, j];
                    }
                }
                bufMasTable[bufMasTable.GetLength(0) - 1, 0] = textBoxTask.Text; //условие
                bufMasTable[bufMasTable.GetLength(0) - 1, 1] = mainStr;          //рабочая строка
                for (int i = 0; i < ca.mas.Length; i++)                          //алфавит
                {
                    bufMasTable[masTable.GetLength(0), 2] += ca.mas[i];
                }
                wr.CreateFile(bufMasTable, path);
            }
        }
 private void toolStripButtonSave_Click(object sender, EventArgs e)
 {
     if (path != null)
     {
         WriteRead wr = new WriteRead();
         string[,] bufMasTable = new string[masTable.GetLength(0) + 1, masTable.GetLength(1)];
         for (int i = 0; i < masTable.GetLength(0); i++)
         {
             for (int j = 0; j < masTable.GetLength(1); j++)
             {
                 bufMasTable[i, j] = masTable[i, j];
             }
         }
         bufMasTable[masTable.GetLength(0), 0] = textBoxTask.Text; //условие
         bufMasTable[masTable.GetLength(0), 1] = mainStr;          //рабочая строка
         for (int i = 0; i < ca.mas.Length; i++)                   //алфавит
         {
             bufMasTable[masTable.GetLength(0), 2] += ca.mas[i];
         }
         wr.CreateFile(bufMasTable, path);
     }
     else
     {
         MessageBox.Show("Сначала откройте файл!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
 }