DependencyProperty.UnsetValue}' is not a valid value for property 'Background' 的错误原因
2013-04-28 11:04
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查找了一下，发现是资源字典中一个资源（DynamicResource ）值没有定义。记一下这个错误，
| 这个bug找了那么久，最终的解决让我啼笑皆非，原来是一个背景颜色的命名写错了，样式命名中一个字母的大写在资源字典中定义成了小写，程序找不到就报错了！！！！！！！！ 唉，xmal里面的错误不像C#语言的一样，微软能准确定位到错误发生的位置，只能靠最后一个"Background"去找，这样好生没有目的性，那么多控件的样式积在那里，所以让人憎恨的复制粘贴还是必须的，浪费了很多时间，以后一定要细心。 |
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