ViewModel下关闭View

private?Action?_closeAction;

在ViewModel的构造函数中这样定义:
public?MainWindowViewModel(Action?closeAction)
{
???this._closeAction=closeAction;
}

在窗体构造函数中:

this.DataContext=new?MainWindowViewModel(this.Close);

要关闭时在ViewModel中执行:

this._closeAction.Invoke();

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Personal: http://www.cnblogs.com/Jax/archive/2009/10/12/1581109.html

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http://blog.csdn.net/qing2005/article/details/6601199