removeListener method
Removes a listener
callback for selection changes at any index.
Implementation
void removeListener(ItemSelectionChangeCallback listener) {
assert(_debugAssertNotDisposed());
_listeners!.remove(listener);
}
Removes a listener
callback for selection changes at any index.
void removeListener(ItemSelectionChangeCallback listener) {
assert(_debugAssertNotDisposed());
_listeners!.remove(listener);
}