A watchField which calls a method named markWholeAsDirty with no arguments. It's recommended to only use this on Widget and its subclasses, although technically you can use it in any class so long as it has a markWholeAsDirty method.
markWholeAsDirty
A watchField which calls a method named
markWholeAsDirtywith no arguments. It's recommended to only use this on Widget and its subclasses, although technically you can use it in any class so long as it has amarkWholeAsDirtymethod.