private static bool ValidateAndSelect(ref DataGridView dgv, DataGridViewCellMouseEventArgs e)
{
if (null == e || 0 > e.RowIndex || 0 > e.ColumnIndex || dgv.RowCount <= e.RowIndex || dgv.ColumnCount <= e.ColumnIndex)
{
return(false);
}
DgvHelpers.SelectCell(ref dgv, e.RowIndex, e.ColumnIndex);
return(true);
}