THeaderControl
pl
OnContextPopup
OnCreateSectionClass
OnDragDrop
OnDragOver
OnEndDock
OnEndDrag
OnMouseDown
OnMouseEnter
OnMouseLeave
OnMouseMove
OnMouseUp
OnResize
OnSectionClick
OnSectionResize
OnSectionTrack
TCustomHeaderControl
OnSectionDrag
OnSectionEndDrag
OnSectionSeparatorDblClick