/// <summary>
/// Removes all entries from the choosen costs
/// </summary>
private void OnCostClear()
{
List <SessionCostSelectionViewModel> list = new List <SessionCostSelectionViewModel>((IEnumerable <SessionCostSelectionViewModel>)ChoosenCosts.SourceCollection);
foreach (SessionCostSelectionViewModel costVM in list)
{
ChoosenCosts.Remove(costVM);
Costs.AddNewItem(costVM);
costVM.IsSelected = false;
}
Costs.CommitNew();
CostsModified();
IsDataModified = true;
}
/// <summary>
/// Removes the selected costs from the choosen costs
/// </summary>
private void OnCostExclude()
{
IEnumerable <SessionCostSelectionViewModel> costs = GetSelectedChoosenCosts();
foreach (SessionCostSelectionViewModel costVM in costs)
{
Costs.AddNewItem(costVM);
ChoosenCosts.Remove(costVM);
costVM.IsSelected = false;
}
Costs.CommitNew();
CostsModified();
IsDataModified = true;
}