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Cogl 2.0 Reference Manual | ![]() |
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The callback is valid only during the call to the method.
The callback is valid until the GDestroyNotify argument is called.
This parameter is a 'user_data', for callbacks; many bindings can pass NULL here.
Parameter for input. Default is transfer none.
Don't free data after the code is done.
Parameter for returning results. Default is transfer full.
NULL is ok, both for passing and for returning.
Out parameter, where caller must allocate storage.
Parameter for input and for returning results. Default is transfer full.
Parameter points to an array of items.
Free data after the code is done.