private void label4_Click(object sender, EventArgs e)
{
//This code is written by : Piumi
//Opening Lecture Environment
Form form = new LectureEnvironment();
form.Show();
this.Hide();
}
private void button1_Click(object sender, EventArgs e)
{
//This code is written by : Natalia
//Opening Lecture Environment
Form form = new LectureEnvironment();
form.Show();
this.Hide();
}