public int AddStudent(Student s)
{
//Insert the student and update the index
arr_student.Insert(student_index++,s);
return 0;
}
private void AddToCollection(Student student)
{
// This line of code is intended to simulate network or database latency
// It causes a non-responsive UI
// Do not remove this line of code as a way of completing the assignment
// You MUST use a C# task to get credit
Thread.Sleep(5000);
students.Add(student);
int count = students.Count;
MessageBox.Show("Student created successfully. Collection contains " + count.ToString() + " Student(s).");
}
private void btnCreateStudent_Click(object sender, RoutedEventArgs e)
{
Student newStudent = new Student();
newStudent.FirstName = txtFirstName.Text;
newStudent.LastName = txtLastName.Text;
newStudent.City = txtCity.Text;
ClearForm();
Task task1 = new Task(() => AddToCollection(newStudent));
task1.Start();
}
private void btnCreateStudent_Click(object sender, RoutedEventArgs e)
{
Student newStudent = new Student();
newStudent.FirstName = txtFirstName.Text;
newStudent.LastName = txtLastName.Text;
newStudent.City = txtCity.Text;
ClearForm();
//use asynchronous task to add student
Task.Run(() => AddToCollection(newStudent));
}
private void btnCreateStudent_Click(object sender, RoutedEventArgs e)
{
Student newStudent = new Student();
newStudent.FirstName = txtFirstName.Text;
newStudent.LastName = txtLastName.Text;
newStudent.City = txtCity.Text;
// Use a lambda expression to pass the student object in the collection keepin UI responsive
Task task1 =new Task(() =>AddToCollection(newStudent));
task1.Start();
ClearForm();
}
private void btnCreateStudent_Click(object sender, RoutedEventArgs e)
{
Student newStudent = new Student();
newStudent.FirstName = txtFirstName.Text;
newStudent.LastName = txtLastName.Text;
newStudent.City = txtCity.Text;
// multithreading object Task adds a new Task object that takes no action(sleep is already taken care of
//and creates the option to add a new student using the method AddToCollection
Task addTask = new Task(() => AddToCollection(newStudent));
ClearForm();
AddToCollection(newStudent);
}
private void AddToCollection(Student student)
{
// This line of code is intended to simulate network or database latency
// It causes a non-responsive UI
// Do not remove this line of code as a way of completing the assignment
// You MUST use a C# task to get credit
Thread.Sleep(5000);
students.Add(student);
int count = students.Count;
MessageBox.Show("Student created successfully. Collection contains " + count.ToString() + " Student(s).");
student_index++;
//Use delegate to get the object which in other thread
Action methodDelegate = delegate()
{
TestBtnIsEnabled();
};
this.Dispatcher.BeginInvoke(methodDelegate);
}