// Insert cell, which must be Formula, as array formula
// in area ((ulCol,ulRow), (lrCol, lrRow))
public void SetArrayFormula(Cell cell, int col, int row, CellAddr ulCa, CellAddr lrCa)
{
Formula formula = cell as Formula;
if (cell == null)
{
throw new Exception("Invalid array formula");
}
else
{
CachedArrayFormula caf = new CachedArrayFormula(formula, this, col, row, ulCa, lrCa);
// Increase support sets of cells referred by formula
formula.AddToSupportSets(this, col, row, 1, 1);
Interval displayCols = new Interval(ulCa.col, lrCa.col),
displayRows = new Interval(ulCa.row, lrCa.row);
// The underlying formula supports (only) the ArrayFormula cells in display range
formula.ResetSupportSet();
formula.AddSupport(this, col, row, this, displayCols, displayRows);
int cols = lrCa.col - ulCa.col + 1, rows = lrCa.row - ulCa.row + 1;
for (int c = 0; c < cols; c++)
{
for (int r = 0; r < rows; r++)
{
this[ulCa.col + c, ulCa.row + r] = new ArrayFormula(caf, c, r);
}
}
}
}
