Method readField

src/com/sun/jna/Structure.java:639–645

Force a read of the given field from native memory. The Java field will be updated from the current contents of native memory. @param name field to be read @return the new field value, after updating @throws IllegalArgumentException if no field exists with the given name

(String name)

     * @throws IllegalArgumentException if no field exists with the given name
     */
    public Object readField(String name) {
        ensureAllocated();
        StructField f = fields().get(name);
        if (f == null)
            throw new IllegalArgumentException("No such field: " + name);
        return readField(f);
    }

    /** Obtain the value currently in the Java field.  Does not read from
     * native memory.