This enumeration lists all kinds of accessible objects that can be directly assigned to a window.
public enum AccessibleObjectID
Assembly: ManagedWinapi (Module: ManagedWinapi) Version: 0.3.0.0 (0.3)
The window itself.
The system menu.
The title bar.
The client area.
The vertical scroll bar.
The horizontal scroll bar.
The size grip (part in the lower right corner that makes resizing the window easier).
The caret (text cursor).
The mouse cursor. There is only one mouse cursor and it is not assigned to any window.
An alert window.
A sound this window is playing.