My program doesn't have bugs. It just develops random features.

From Unreal Wiki, The Unreal Engine Documentation Site

Object >> UWindowBase >> UWindowWindow

Package: 

UWindow

Direct subclasses:

UBrowserBannerAd, UBrowserBannerBar, UMenuHelpTextArea, UMenuStatusBar, UMenuToolBar, UWindowBitmap, UWindowClientWindow, UWindowControlFrame, UWindowDialogControl, UWindowFramedWindow, UWindowGridClient, UWindowGridColumn, UWindowGrid, UWindowHScrollBar, UWindowHSplitter, UWindowMessageBoxArea, UWindowProgressBar, UWindowRootWindow, UWindowTabControlTabArea, UWindowVScrollBar, UWindowVSplitter

This class in other games:

U1, UT

UWindowWindow - the parent class for all Window objects

[edit] Constants

[edit] DE_Created

Value: 0

[edit] DE_Change

Value: 1

[edit] DE_Click

Value: 2

[edit] DE_Enter

Value: 3

[edit] DE_Exit

Value: 4

[edit] DE_MClick

Value: 5

[edit] DE_RClick

Value: 6

[edit] DE_EnterPressed

Value: 7

[edit] DE_MouseMove

Value: 8

[edit] DE_MouseLeave

Value: 9

[edit] DE_LMouseDown

Value: 10

[edit] DE_DoubleClick

Value: 11

[edit] DE_MouseEnter

Value: 12

[edit] DE_HelpChanged

Value: 13

[edit] DE_WheelUpPressed

Value: 14

[edit] DE_WheelDownPressed

Value: 15

[edit] Properties

[edit] ActiveWindow

Type: UWindowWindow

The child of ours which is currently active

[edit] bAcceptsFocus

Type: bool

Accepts key messages

[edit] bAcceptsHotKeys

Type: bool

Does this window accept hotkeys?

[edit] bAlwaysBehind

Type: bool

Window doesn't bring to front on click.

[edit] bAlwaysOnTop

Type: bool

Always on top

[edit] bIgnoreLDoubleClick

Type: bool

[edit] bIgnoreMDoubleClick

Type: bool

[edit] bIgnoreRDoubleClick

Type: bool

[edit] bLeaveOnscreen

Type: bool

Window is left onscreen when UWindow isn't active.

[edit] bMMouseDown

Type: bool

Pressed down in this window?

[edit] bMouseDown

Type: bool

Pressed down in this window?

[edit] bNoClip

Type: bool

Clipping disabled for this window?

[edit] bRMouseDown

Type: bool

Pressed down in this window?

[edit] bTransient

Type: bool

Never the active window. Used for combo dropdowns7

[edit] bUWindowActive

Type: bool

Is UWindow active?

[edit] bWindowVisible

Type: bool

[edit] ClickTime

Type: float

[edit] ClickX

Type: float

[edit] ClickY

Type: float

[edit] ClippingRegion

Type: UWindowBase.Region

[edit] Cursor

Type: MouseCursor

[edit] FirstChildWindow

Type: UWindowWindow

First child window - bottom window first

[edit] LastChildWindow

Type: UWindowWindow

Last child window - WinTop window first

[edit] LookAndFeel

Type: UWindowLookAndFeel

[edit] MClickTime

Type: float

[edit] MClickX

Type: float

[edit] MClickY

Type: float

[edit] ModalWindow

Type: UWindowWindow

Some window we've opened modally.

[edit] NextSiblingWindow

Type: UWindowWindow

sibling window - next window above us

[edit] OwnerWindow

Type: UWindowWindow

Some arbitary owner window

[edit] ParentWindow

Type: UWindowWindow

Parent window

[edit] PrevSiblingWindow

Type: UWindowWindow

previous sibling window - next window below us

[edit] RClickTime

Type: float

[edit] RClickX

Type: float

[edit] RClickY

Type: float

[edit] Root

Type: UWindowRootWindow

The root window

[edit] WinHeight

Type: float

[edit] WinLeft

Type: float

[edit] WinTop

Type: float

[edit] WinWidth

Type: float

[edit] Enums

[edit] WinMessage

WM_LMouseDown 

WM_LMouseUp 

WM_MMouseDown 

WM_MMouseUp 

WM_RMouseDown 

WM_RMouseUp 

WM_KeyUp 

WM_KeyDown 

WM_KeyType 

WM_Paint 

Window needs painting

[edit] Structs

[edit] MouseCursor

Texture tex 

int HotX 

int HotY 

byte WindowsCursor 

[edit] Functions

See UWindowWindow functions.