// open menu selected
private void OpenToolStripMenuItem_Click(object sender, EventArgs e)
{
// let the user pick the file to open
OpenFileDialog ofd = new OpenFileDialog();
// get the file path
ofd.Title = "Select a Contact List";
ofd.Filter = "Text Files|*.txt|All Files|*.*";
ofd.FilterIndex = 1;
ofd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
// check dialog result
DialogResult result = ofd.ShowDialog();
if (result != DialogResult.OK)
{
return;
}
// create a new object
UniversityPeople p = null;
// save the file path
Filepath = ofd.FileName;
try
{
StreamReader input = new StreamReader(ofd.FileName);
while (!input.EndOfStream)
{
string peopleType = input.ReadLine();
switch (peopleType)
{
case "Faculty":
p = new Faculty(input.ReadLine()); // create a new faculty
break;
case "Student":
p = new Student(input.ReadLine()); // create a new student
break;
default:
MessageBox.Show("Unknown product in the file");
p = null;
break;
}
// add the new object to people list and list box
if (p != null)
{
peopleList.Add(p);
allContactListBox.Items.Add(p.ToFormattedString());
}
}
// close the file
input.Close();
}
catch (Exception excp)
{
MessageBox.Show($"File did not load. {excp.Message}");
return;
}
}