public RadComponent findComponentInRect(final int startRow, final int startCol, final int rowSpan, final int colSpan) {
    for (int r = startRow; r < startRow + rowSpan; r++) {
      for (int c = startCol; c < startCol + colSpan; c++) {
        final RadComponent result = getComponentAtGrid(r, c);
        if (result != null) {
          return result;
        }
      }
    }
    return null;
  }
public RadComponent findComponentInRect(final int startRow, final int startCol, final int rowSpan, final int colSpan)