`TfpgButton`
pl	ro	OnClick
pl	ro	OnMouseDown
pl	ro	OnMouseExit
pl	ro	OnMouseEnter
pl	ro	OnMouseMove
pl	ro	OnMouseUp
pl	ro	OnShowHint

`TfpgBaseButton`

`TfpgWidget`
pt		OnClick
pt		OnDoubleClick
pt		OnEnter
pt		OnExit
pt		OnKeyPress
pt		OnMouseDown
pt		OnMouseEnter
pt		OnMouseExit
pt		OnMouseMove
pt		OnMouseUp
pt		OnPaint
pt		OnResize
pt		OnShowHint

`TfpgWindow`