protected override bool CommitCellEdit(FrameworkElement editingElement)
{
SpreadsheetCell data = editingElement.DataContext as SpreadsheetCell;
if (data != null)
{
data.UpdateAllDependentCells();
var formula = data.Content;
data.Tag.Calculate(formula, data.Table);
data.Content = data.Tag.Value;
data.UpdateAllConsequentialCells();
}
return(base.CommitCellEdit(editingElement));
}