C# Hide() Òþ²Øµ±Ç°´°Ìå

private void button1_Click(object sender, EventArgs e)
{
Form1 form1 = new Form1();
this.Hide(); // Òþ²Øµ±Ç°´°Ìå
form1.ShowDialog(); // ¶¨Ïò´ò¿ª´°Ìå Form1 ，µ±Îª form1.Show() ʱ，Ôò´ò¿ªºóÁ¢¼´¹Ø±Õ
this.Close(); // ¹Ø±Õµ±Ç°´°Ìå
}