public frmLogin() { InitializeComponent(); //Added to support default instance behavour in C# if (defaultInstance == null) defaultInstance = this; mConn = new MySqlConnection(connStr); }
private void frmStudent_FormClosing(object sender, FormClosingEventArgs e) { if (exflag) { e.Cancel = false; } else if (MessageBox.Show("This will log you out, do you want to continue?", "Log out", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == System.Windows.Forms.DialogResult.Yes) { e.Cancel = true; frmLogin lg = new frmLogin(); lg.Show(); exflag = true; this.Close(); } else { e.Cancel = true; } }
static void defaultInstance_FormClosed(object sender, FormClosedEventArgs e) { defaultInstance = null; }