public IEnumerable <CompanyWrapper> GetAllParents()
{
CompanyWrapper parentCompany = this.ParentCompany;
while (parentCompany != null)
{
yield return(parentCompany);
parentCompany = parentCompany.ParentCompany;
}
}
/// <summary>
/// Реакция на событие изменения головной компании
/// </summary>
/// <param name="oldPropVal"></param>
/// <param name="newPropVal"></param>
/// <param name="propertyName"></param>
private void OnParentCompanyChanged(object oldPropVal, object newPropVal, string propertyName)
{
if (propertyName != nameof(ParentCompany))
{
return;
}
CompanyWrapper oldParent = oldPropVal as CompanyWrapper;
if (oldParent != null && oldParent.ChildCompanies.Contains(this))
{
oldParent.ChildCompanies.Remove(this);
}
CompanyWrapper newParent = newPropVal as CompanyWrapper;
if (newParent != null && !newParent.ChildCompanies.Contains(this))
{
newParent.ChildCompanies.Add(this);
}
}