Determines if the current child of this object is selected Note: callers should not rely on null or on a zero value for
indication of whether AtkSelectionIface is implemented, they should use type checking/interface checking macros or the
atk_get_accessible_value convenience method.
| this |
a Object instance that implements AtkSelectionIface |
| i |
a int specifying the child index. |
|
a gboolean representing the specified child is selected, or 0 if this does not implement this interface. |