pl | ro | Align (THeaderControl)
pl | ro | Anchors (THeaderControl)
pl | ro | BiDiMode (THeaderControl)
pl | ro | BorderSpacing (THeaderControl)
pl | ro | BorderWidth (THeaderControl)
pl | ro | Constraints (THeaderControl)
pl | ro | DragCursor (THeaderControl)
pl | ro | DragKind (THeaderControl)
pl | ro | DragMode (THeaderControl)
pl |  | DragReorder (TCustomHeaderControl)
pl | ro | Enabled (THeaderControl)
pl | ro | Font (THeaderControl)
pl |  | Images (TCustomHeaderControl)
pl | ro | Images (THeaderControl)
pl | ro | ParentBiDiMode (THeaderControl)
pl | ro | ParentFont (THeaderControl)
pl | ro | ParentShowHint (THeaderControl)
pl | ro | PopupMenu (THeaderControl)
| ro | SectionFromOriginalIndex (TCustomHeaderControl)
pl |  | Sections (TCustomHeaderControl)
pl | ro | Sections (THeaderControl)
pl | ro | ShowHint (THeaderControl)
pl | ro | Visible (THeaderControl)

The latest version of this document can be found at lazarus-ccr.sourceforge.net.