private void button4_Click(object sender, EventArgs e) { if (MessageBox.Show("Are you sure you want to perform this operation?", "Question", MessageBoxButtons.YesNo) == DialogResult.Yes) { Hide(); Form_login form_login = new Form_login(); form_login.Show(); } }
private void ustawieniaToolStripMenuItem_Click(object sender, EventArgs e) { Form_login form_participants = new Form_login(); form_participants.Show(); }