using System; using System.Windows.Forms; namespace WindowsFormsApp4 { public partial class StartForm : Form { public StartForm() { InitializeComponent(); AttachEventHandlers(); } private void AttachEventHandlers() { btnLogin.Click += BtnLogin_Click; btnRegister.Click += BtnRegister_Click; } private void BtnLogin_Click(object sender, EventArgs e) { LoginForm loginForm = new LoginForm(); loginForm.Show(); this.Hide(); } private void BtnRegister_Click(object sender, EventArgs e) { RegisterForm registerForm = new RegisterForm(); registerForm.Show(); this.Hide(); } protected override void OnFormClosing(FormClosingEventArgs e) { base.OnFormClosing(e); if (e.CloseReason == CloseReason.UserClosing) { Application.Exit(); } } } }