`TMenuButton`
pl	ro	OnClick
pl	ro	OnDblClick
pl	ro	OnMouseDown
pl	ro	OnMouseEnter
pl	ro	OnMouseLeave
pl	ro	OnMouseMove
pl	ro	OnMouseUp
pl	ro	OnPaint
pl	ro	OnResize
pl	ro	OnChangeBounds

`TCustomDropDownButton`
pl	ro	OnClick
pl	ro	OnDblClick
pl	ro	OnMouseDown
pl	ro	OnMouseEnter
pl	ro	OnMouseLeave
pl	ro	OnMouseMove
pl	ro	OnMouseUp
pl	ro	OnPaint
pl	ro	OnResize
pl	ro	OnChangeBounds

`TToggleSpeedButton`

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