private void button1_Click(object sender, EventArgs e) { // Form2 frm2 = new Form2(); 如果这样点击的话,会一直出现新的不同的窗体2 Form2 frm2 = Form2.GetSingle(); frm2.Show(); }
private void button1_Click(object sender, EventArgs e) { Form2 form2 = Form2.GetSingle(); form2.Show(); }