C#,WPF,Visibility类型为Visible后无法转为Collapsed,显示后隐藏

一开始属性是:

TextBlock1.Visibility = Visibility.Visible;

触发事件后执行:

TextBlock1.Visibility = Visibility.Collapsed;

 

失效。。。

重新new一个:

TextBlock1.Visibility = new Visibility();
TextBlock1.Visibility = Visibility.Collapsed;

 

完成!

文章来自:http://www.cnblogs.com/cela/p/5192555.html
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