It may take several months for wpf4.5 to be released. Here are some articles about how to decrypt wpf4.5.Article:
Asynchronous data verification is one of the secrets of WPF 4.5:
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WPF 4.5 2's quest to improve weakeventmanager
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WPF 4.5 explores the new dispatcher Method
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WPF 4.5 exploring 4 new binding delay attributes
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WPF 4.5 new bindingexpression Information
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Six event tag extensions discovered by WPF 4.5
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WPF 4.5 exploring 7 Non-UI thread access
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Solution to the eight airspace problem discovered by WPF 4.5
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