if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
m_startValue = grid->GetTable()->GetValueAsBool(row, col);
else
if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
m_startValue = grid->GetTable()->GetValueAsBool(row, col);
else