backdropKey property

BackdropKey? get backdropKey

The backdrop key that identifies the BackdropGroup this filter will read from.

The default value for the backdrop key is null.

Implementation

BackdropKey? get backdropKey => _backdropKey;

set backdropKey (BackdropKey? value)

set backdropKey(BackdropKey? value) {
  if (value == _backdropKey) {
    return;
  }
  _backdropKey = value;
  markNeedsPaint();
}