//Método getInstance() public static frmHistorico getInstance() { if (instance == null) { instance = new frmHistorico(); } return instance; }
private void frmHistorico_FormClosing(object sender, FormClosingEventArgs e) { instance = null; }
//Método getInstance() public static frmHistorico getInstance() { if (instance == null) { instance = new frmHistorico(); } return instance; }
private void frmHistorico_FormClosing(object sender, FormClosingEventArgs e) { instance = null; }