[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Content)]
[JsonAttribute(true)]
[TypeConverterAttribute(typeof(ExpandableObjectConverter))]
[NotifyParentPropertyAttribute(true)]
[PersistenceModeAttribute(PersistenceMode.InnerProperty)]
[DescriptionAttribute("Button that collapse or expand the dialog.")]
public PressableCaptionButton CollapseExpandButton { get; }

<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Content)> _
<JsonAttribute(True)> _
<TypeConverterAttribute(GetType(ExpandableObjectConverter))> _
<NotifyParentPropertyAttribute(True)> _
<PersistenceModeAttribute(PersistenceMode.InnerProperty)> _
<DescriptionAttribute("Button that collapse or expand the dialog.")> _
Public ReadOnly Property CollapseExpandButton As PressableCaptionButton
	Get