private void button4_Click(object sender, EventArgs e)//找回密码 { Form3 form3 = new Form3(); form3.Show(); }
private void вычитаниеToolStripMenuItem_Click(object sender, EventArgs e) { Form vich = new Form3(); vich.Show(); }
private void лабораторнаяРабота2ToolStripMenuItem_Click(object sender, EventArgs e) { Form3 Form3 = new Form3(this); Form3.Show(); }