available property

Rectangle<num> available
@DomName('Screen.availHeight'), @DomName('Screen.availLeft'), @DomName('Screen.availTop'), @DomName('Screen.availWidth')

Implementation 

@DomName('Screen.availHeight')
@DomName('Screen.availLeft')
@DomName('Screen.availTop')
@DomName('Screen.availWidth')
Rectangle get available =>
    new Rectangle(_availLeft, _availTop, _availWidth, _availHeight);