public void AddStudents(params Student[] students)
{
foreach (var student in students)
{
_students.Add(student);
StudentCountChanged?.Invoke(student, new StudentListHandlerEventArgs(CollectionName, "Додано новий елемент", student));
}
}
public void AddDefaults(int n)
{
for (int i = 0; i < n; i++)
{
var student = new Student(new Person($"John {i}", "Nir", new DateTime(2000, 05, 15)),
Education.SecondEducation, 220);
_students.Add(student);
StudentCountChanged?.Invoke(student, new StudentListHandlerEventArgs(CollectionName, "Додано елемент", student));
}
}
public bool Remove(int j)
{
if (j < 0 || j > _students.Count - 1)
{
return(false);
}
StudentCountChanged?.Invoke(_students[j], new StudentListHandlerEventArgs(CollectionName, "Елемент видалено", _students[j]));
_students.RemoveAt(j);
return(true);
}
public bool Remove(int j)
{
var st = Students?.ElementAtOrDefault(j);
var result = st != null;
if (result)
{
Students.RemoveAt(j);
StudentCountChanged?.Invoke(this, new StudentListHandlerEventArgs(Name, "Remove student.", st));
}
return(result);
}
public void AddStudents(params Student[] _students)
{
foreach (Student student in _students)
{
students.Add(student);
StudentListHandlerEventArgs args = new StudentListHandlerEventArgs
{
Name = this.Name,
Info = "Student added",
Index = students.Count - 1
};
StudentCountChanged?.Invoke(student, args);
}
}
public void AddDefaults()
{
Student st;
if (Students == null)
{
Students = new List <Student>();
}
for (int i = 0; i < 5; i++)
{
st = TestCollections.CreateStudent(i);
Students.Add(st);
StudentCountChanged?.Invoke(this, new StudentListHandlerEventArgs(Name, "Add new student.", st));
}
}
public void AddDefaults(int n)
{
for (int i = 0; i < n; i++)
{
Student student = new Student();
students.Add(student);
StudentListHandlerEventArgs args = new StudentListHandlerEventArgs
{
Name = this.Name,
Info = "Default student added",
Index = students.Count - 1
};
StudentCountChanged?.Invoke(student, args);
}
}
public bool Remove(int index)
{
if (index <= 0 || index > students.Count())
{
StudentListHandlerEventArgs args = new StudentListHandlerEventArgs
{
Name = this.Name,
Info = "Student removed",
Index = index
};
StudentCountChanged?.Invoke(students[index], args);
students.RemoveAt(index);
}
else
{
return(false);
}
return(true);
}
public void AddStudents(params Student[] students)
{
if (students == null || students.Length < 1)
{
return;
}
if (Students == null)
{
Students = new List <Student>();
}
Student st;
for (int i = 0; i < students.Length; i++)
{
st = students[i];
if (st != null)
{
Students.Add(st);
StudentCountChanged?.Invoke(this, new StudentListHandlerEventArgs(Name, "Add new student.", st));
}
}
}
