/// <summary>
/// Reimplementation of <see cref="ITree.GetBlankExpansion"/>
/// </summary>
protected new BlankExpansionData GetBlankExpansion(int row, int column, ColumnPermutation columnPermutation)
{
// UNDONE: MSBUG GetBlankExpansion is returning a blank cell for the top node in a complex subitem. This
// causes the Down arrow to skip any expanded subitems, which is obviously not good. This does not appear to
// happen in all cases, and may be related to the SubItemCellStyle.
BlankExpansionData retVal = base.GetBlankExpansion(row, column, columnPermutation);
int topRow;
if (retVal.Height > 1 &&
row == (topRow = retVal.TopRow))
{
// If the next cell down does not return the same anchor, then the
// initial information is incorrect and we really have a single cell.
if (base.GetBlankExpansion(topRow + 1, column, columnPermutation).Anchor != retVal.Anchor)
{
return(BlankExpansionDataConstructor(topRow, retVal.LeftColumn, retVal.TopRow, retVal.RightColumn, retVal.AnchorColumn));
}
}
return(retVal);
}
/// <summary>
/// Compare two BlankExpansionData structures
/// </summary>
/// <param name="operand1">Left operand</param>
/// <param name="operand2">Right operand</param>
/// <returns>true if operands are equal</returns>
public static bool Compare(BlankExpansionData operand1, BlankExpansionData operand2)
{
return operand1.myLeftColumn == operand2.myLeftColumn && operand1.myTopRow == operand2.myTopRow
&& operand1.myRightColumn == operand2.myRightColumn && operand1.myBottomRow == operand2.myBottomRow
&& operand1.myAnchorColumn == operand2.myAnchorColumn;
}
/// <summary>
/// Compare two BlankExpansionData structures
/// </summary>
/// <param name="operand1">Left operand</param>
/// <param name="operand2">Right operand</param>
/// <returns>true if operands are equal</returns>
public static bool Compare(BlankExpansionData operand1, BlankExpansionData operand2)
{
return(operand1.myLeftColumn == operand2.myLeftColumn && operand1.myTopRow == operand2.myTopRow &&
operand1.myRightColumn == operand2.myRightColumn && operand1.myBottomRow == operand2.myBottomRow &&
operand1.myAnchorColumn == operand2.myAnchorColumn);
}
