- o -
- oddItemsColourId
: TreeView
- off
: MPENote
, PushNotifications::Notification
- onlyIncreaseInSize
: RectanglePlacement
- onlyReduceInSize
: RectanglePlacement
- openGL3_2
: OpenGLContext
- openMode
: FileBrowserComponent
- operatorType
: Expression
- otherMeter
: AudioProcessorParameter
- outline
: LookAndFeel_V4::ColourScheme
- outlineColourId
: AlertWindow
, BooleanPropertyComponent
, BubbleComponent
, ComboBox
, GroupComponent
, Label
, ListBox
, TabbedComponent
, TableHeaderComponent
, TextEditor
, TextPropertyComponent
, TooltipWindow
- outlineWhenEditingColourId
: Label
- outputGain
: AudioProcessorParameter
- outputMeter
: AudioProcessorParameter