01.public partial class Form1 : Form
02. {
03. Form2 f2 = new Form2();
04.
05. public Form1()
06. {
07. InitializeComponent();
08. }
09.
10.
11. private void button1_Click(object sender, EventArgs e)
12. {
13. this.Hide();
14. f2.ShowDialog();
15. this.Show();
16. }
17. }
18.
19.Form2
20.=====
21.private void button1_Click(object sender, EventArgs e)
22. {
23. Form3 f3 = new Form3();
24.
25. this.Hide();
26. this.Close();
27. f3.ShowDialog();
28. this.Show();
29. }
30.
31.Form3
32.=====
33.private void button1_Click(object sender, EventArgs e)
34. {
35. this.Close();
36. }
