@param c The connection
@param gc The graphics context to change.
@param value_mask A bitmask of #xcb_gc_t values.
@param value_mask \n
@param value_list Values for each of the components specified in the bitmask \a value_mask. The
order has to correspond to the order of possible \a value_mask bits. See the
example.
@return A cookie
Changes the components specified by \a value_mask for the specified graphics context.
@brief change graphics context components
@param c The connection @param gc The graphics context to change. @param value_mask A bitmask of #xcb_gc_t values. @param value_mask \n @param value_list Values for each of the components specified in the bitmask \a value_mask. The order has to correspond to the order of possible \a value_mask bits. See the example. @return A cookie
Changes the components specified by \a value_mask for the specified graphics context.