Exemplos de SingletonPattern Tool2 em C# (CSharp)

Exemplo n.º 1

 //实例未被创建时加锁（双重锁定，多线程安全）
 public static Tool2 GetInstance()
 {
     if (instance == null || instance.IsDisposed)
     {
         lock (syncRoot)
         {
             if (instance == null || instance.IsDisposed)
             {
                 instance = new Tool2();
             }
         }
     }
     instance.MdiParent = Form1.ActiveForm;
     return(instance);
 }

Exemplo n.º 2

 private void toolStripLabel2_Click(object sender, EventArgs e)
 {
     Tool2.GetInstance().Show();
 }