public void DemoSingletonPattern()
{
Console.WriteLine("-----------------Singleton Pattern Example-----------------");
SingleObject singleObject = SingleObject.Instance;
singleObject.showMessage();
}
static void Singleton()
{
//illegal construct
//Compile Time Error: The constructor SingleObject() is protected
//SingleObject object = new SingleObject();
//Get the only object available
SingleObject obj = SingleObject.getInstance;
obj.showMessage();
}
private void btSingletonPattern_Click(object sender, EventArgs e)
{
string str = "";
//不合法的构造函数
//编译时错误：构造函数 SingleObject() 是不可见的
//SingleObject object = new SingleObject();
//获取唯一可用的对象
SingleObject o = SingleObject.getInstance();
//显示消息
str = o.showMessage();
tbOutWindow.Text = str;
}
