遍历窗口得到的是什么.M和SysFader是什么？

Question

M
CiceroUIWndFrame
SysFader
SysFader
M
TXFloatingWnd
TXFloatingWnd
QQ2011
TXFloatingWnd
SUGGESTVIEW
CodeParamWindow
M
360安全卫士备用木马库已更新
SysFader
M
M
M
var   Tmpmemo: TStringList - server.pas (399)
Database Engine Error
Progress
server.pas
Object Inspector
Delphi 7 - server1
Delphi 源码排列 V2.5
Object TreeView
Project Manager
FTP服务器
Menu Designer
Translation Manager
CPU
Components
Select a Font
Search results
Search
Translation Repository - C:\Program Files\Borland\Delphi7\Bin\default.rps
Align
服务端
Delphi 7
M
Client1
QQPinyinUIWnd
M
TW_ItemOrder
IntelliFormProxy
QQPinyinUIWnd
M
M
M
KibitzWindow
M
M
搜索结果
MCI command handling window
DBK
QQPinyinUIWnd
MCI command handling window
TXMenuWindow
WndForAero
im event window
E72C6EAA-E6A2-404D-B469-5574831884D1
QQPinyinUIWnd
MCI command handling window
DDE Server Window
MCI command handling window
M
M
BlankStore
MCI command handling window
MCI command handling window
360AsyncNetwork
Connections Tray
HttpTask Notify Wnd
电表
MS_WebcheckMonitor
360杀毒
GDI+ Window
GDI+ Window
M
Game<-->QQ Exchange Dlg
QQPET_50DAEA75-095D-463f-9077-A483D097CCF4
GDI+ Window
GDI+ Window
Program Manager
M和SysFader是什么？是不是应该过滤.