getCollectionAt method
Retrieve the MarkerCollection at index.
Parameters
index: Zero-based index of the collection to retrieve.
Returns
- A MarkerCollection instance for the requested index if the index is valid,
otherwise
null.
Implementation
MarkerCollection? getCollectionAt(final int index) {
final OperationResult resultString = objectMethod(
pointerId,
'MapViewMarkerCollections',
'getCollectionAt',
args: index,
dependencyId: _mapPointerId,
);
final int result = resultString['result'];
if (result == -1) {
return null;
}
return MarkerCollection.init(result, _mapId);
}