`TfpgListView`
pl		OnColumnClick
pl		OnItemActivate
pl		OnPaintColumn
pl		OnPaintItem
pl		OnSelectionChanged
pl	ro	OnShowHint

`TfpgWidget`
		OnDragEnter
		OnDragLeave
		OnDragDrop

`TfpgWindow`

`TfpgWindowImpl`

`TfpgX11Window`

`TfpgWindowBase`

`TfpgComponent`