private async void loadTree()
{
loadingProgressBar.Visible = true;
treeViewSubscribed.Nodes.Clear();
User user = GetUser();
textBoxUserLogin.Text = user.Login;
textBoxUserName.Text = user.FirstName + " " + user.LastName;
textBoxUserPhone.Text = user.PhoneNumber;
textBoxUserMail.Text = user.MailAddress;
var task = new Task <ICollection <College> >(() =>
{
return(CollegeGetItems.Invoke());
});
task.Start();
var colleges = await task;
foreach (var college in colleges)
{
TreeNode nodeCollege = treeViewSubscribed.Nodes.Add(college.Name);
var taskFac = new Task <ICollection <Faculty> >(() => { return(FacultyGetItems.Invoke(college.Name)); });
taskFac.Start();
var faculties = await taskFac;
foreach (var faculty in faculties)
{
TreeNode nodeFaculty = nodeCollege.Nodes.Add(faculty.Name);
var taskSpec = new Task <ICollection <Specialization> >(() => { return(SpecializationsGetItems.Invoke(faculty.Name)); });
taskSpec.Start();
var specializations = await taskSpec;
if (specializations.Count < 1)
{
treeViewSubscribed.Nodes.Remove(nodeFaculty);
}
foreach (var specialization in specializations)
{
TreeNode nodeSpecialization = nodeFaculty.Nodes.Add(specialization.Name);
nodeSpecialization.Tag = specialization;
var taskSubject = new Task <ICollection <Subject> >(() => { return(SubjectGetItems.Invoke(specialization.Name)); });
taskSubject.Start();
var subjects = await taskSubject;
foreach (var subject in subjects)
{
TreeNode nodeSubject = nodeSpecialization.Nodes.Add(subject.Name);
}
}
}
}
loadingProgressBar.Visible = false;
}
private async void NoteControl_Load(object sender, EventArgs e)
{
loadingProgressBar.Visible = true;
var task = new Task <ICollection <College> >(() =>
{
return(CollegeGetItems.Invoke());
});
task.Start();
var colleges = await task;
foreach (var college in colleges)
{
TreeNode nodeCollege = treeViewNotes.Nodes.Add(college.Name);
var taskFac = new Task <ICollection <Faculty> >(() => { return(FacultyGetItems.Invoke(college.Name)); });
taskFac.Start();
var faculties = await taskFac;
foreach (var faculty in faculties)
{
TreeNode nodeFaculty = nodeCollege.Nodes.Add(faculty.Name);
var taskSpec = new Task <ICollection <Specialization> >(() => { return(SpecializationsGetItems.Invoke(faculty.Name)); });
taskSpec.Start();
var specializations = await taskSpec;
if (specializations.Count < 1)
{
treeViewNotes.Nodes.Remove(nodeFaculty);
}
foreach (var specialization in specializations)
{
TreeNode nodeSpecialization = nodeFaculty.Nodes.Add(specialization.Name);
var taskSubject = new Task <ICollection <Subject> >(() => { return(SubjectGetItems.Invoke(specialization.Name)); });
taskSubject.Start();
var subjects = await taskSubject;
foreach (var subject in subjects)
{
TreeNode nodeSubject = nodeSpecialization.Nodes.Add(subject.Name);
var taskMaterial = new Task <ICollection <Material> >(() => { return(MaterialGetItems.Invoke(subject.Name)); });
taskMaterial.Start();
var materials = await taskMaterial;
foreach (var material in materials)
{
TreeNode nodeMats = nodeSubject.Nodes.Add(material.Title);
nodeMats.Tag = material;
}
}
}
}
}
loadingProgressBar.Visible = false;
}