private void dgvErrors_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
{
if (dgvErrors.SelectedRows.Count > 0)
{
var cells = dgvErrors.SelectedRows[0].Cells;
bool input = cells[3].Value.ToString() == "input";
var textBox = input ? tbInput : tbOutput;
int line = Convert.ToInt32(cells[0].Value);
int column = Convert.ToInt32(cells[1].Value);
var pos = GetPosFromLineColumn(textBox.Text, line, column);
textBox.Select(pos, 0);
textBox.ScrollToCaret();
textBox.Focus();
}
}