private void button3_Click(object sender, EventArgs e)
{
label1.Hide();
Registrator.Hide();
Doctor.Hide();
button3.Hide();
label2.Show();
enter.Show();
textBox1.Show();
textBox1.Clear();
}
private void MainForm_Load(object sender, EventArgs e)
{
MelodyThread = new Thread(new ThreadStart(Music.MissionImpossible));
MelodyThread.Start();
MainFormLoad?.Invoke(this, EventArgs.Empty);
label1.Hide();
Registrator.Hide();
Doctor.Hide();
button3.Hide();
}