private void Form1_FormClosing(object sender, FormClosingEventArgs e) { passwordform pwd = new passwordform(); if (pwd.ShowDialog() != DialogResult.OK) { e.Cancel = true; } else { File.WriteAllText("list.json", admin.ToString()); } }
private void TabControl1_SelectedIndexChanged(object sender, EventArgs e) { if (tabControl1.SelectedTab == tabPage2) { passwordform pwd = new passwordform(); if (pwd.ShowDialog() == DialogResult.OK) { tabControl1.SelectedTab = tabPage2; } else { tabControl1.SelectedTab = tabPage1; } } }