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Thread: Why are so many old classes are dispeared in the new Qt lib?How can i deal with it?

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    Default Why are so many old classes are dispeared in the new Qt lib?How can i deal with it?

    I found there are so many code that used old classes Like the QVBox can't work.How can i deal with this problem?

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    Default Re: Why are so many old classes are dispeared in the new Qt lib?How can i deal with i

    - Revert to version 3.x.

    - Read the documentation.

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