onWebGlContextLost property
Stream of webglcontextlost events handled by this CanvasElement.
Implementation
ElementStream<gl.ContextEvent> get onWebGlContextLost =>
webGlContextLostEvent.forElement(this);© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/CanvasElement/onWebGlContextLost.html