示例#1
0
 public static frmAperturaCierreCaja GetInstancia()
 {
     if (Instancia == null)
     {
         Instancia = new frmAperturaCierreCaja();
     }
     return(Instancia);
 }
示例#2
0
 private void frmAperturaCierreCaja_FormClosing(object sender, FormClosingEventArgs e)
 {
     Instancia = null;
 }