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public delegate void ChangeNmaeEventHandel();
public partial class Form2 : Form
{
public ChangeNmaeEventHandel ChangeNmaeEvent =null;
public Form2()
{
InitializeComponent();
}
private void Form2_FormClosed(object sender, FormClosedEventArgs e)
{
if (ChangeNmaeEvent != null)
{
ChangeNmaeEvent();
}
}
}
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Form2 form = new Form2();
form.ChangeNmaeEvent += ChangeName;
form.Show();
}
private void ChangeName()
{
this.button1.Text = "button_done";
}
}
private void button1_Click(object sender, EventArgs e)
{
Form2 form = new Form2();
form.ShowDialog();
this.button1.Text = "button_done";
}