MFC EDIT controls how to implement the following functions:
(1) the input character is only 0 ~ 9 and A ~ F
(2) input character automatically display format such as: FF EE 12 E2 (among the 221 group, automatic space)

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Derived classes, processing ON_WM_CHAR (),

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Refer to the CEdit derived from an only allow input hexadecimal data new class

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All the promising method, such as illusory, such as electricity as the dew, but for that

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