private bool CheckRemovable(Collection <CategoryVM> categories)
{
List <CategoryVM> usedCategories = new List <CategoryVM>();
foreach (CategoryVM category in categories)
{
if (StudyUnit.ContainsCodeByCategoryId(category.Id))
{
usedCategories.Add(category);
}
}
if (usedCategories.Count > 0)
{
string msg = EDOUtils.CannotDeleteError <CategoryVM>(Resources.Code, usedCategories, param => param.Title);
MessageBox.Show(msg);
return(false);
}
return(true);
}
