progressEvent constant
Static factory designed to expose progress
events to event handlers that are not necessarily instances of FileReader.
See EventStreamProvider for usage information.
Implementation
static const EventStreamProvider<ProgressEvent> progressEvent = const EventStreamProvider<ProgressEvent>('progress');
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-html/FileReader/progressEvent-constant.html