selectAll method
select all items in group
Implementation
@override
void selectAll() {
assert(
isMultipleSelection,
"you cannot use selectAll in single selection group checkbox",
);
_widgetState.selectValues(_widgetState.values);
}
select all items in group
@override
void selectAll() {
assert(
isMultipleSelection,
"you cannot use selectAll in single selection group checkbox",
);
_widgetState.selectValues(_widgetState.values);
}