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Document the changes in svn revision 47263, from patch #1517790.
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@ -1648,6 +1648,12 @@ argument to an object that the foreign function accepts. For
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example, a \class{c{\_}char{\_}p} item in the \member{argtypes} tuple will
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convert a unicode string passed as argument into an byte string
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using ctypes conversion rules.
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New: It is now possible to put items in argtypes which are not
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ctypes types, but each item must have a \method{from{\_}param} method
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which returns a value usable as argument (integer, string, ctypes
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instance). This allows to define adapters that can adapt custom
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objects as function parameters.
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\end{memberdesc}
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\begin{memberdesc}{errcheck}
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