Description: Undo button action drop-down button, and the realization of the drop-down list, click cancel or return through the list in a column
To Search:
File list (Check if you may need any files):
ChildFrm.cpp
ChildFrm.h
Dbcmenu.h
jbcmenu.cpp
MainFrm.cpp
MainFrm.h
MEMDC.H
ReadMe.txt
Release
Release\UndoDemo.exe
res
resource.h
res\cursor_d.cur
res\Toolbar.bmp
res\UndoDemo.ico
res\UndoDemo.rc2
res\UndoDemoDoc.ico
StdAfx.cpp
StdAfx.h
UndoDemo.clw
UndoDemo.cpp
UndoDemo.dsp
UndoDemo.dsw
UndoDemo.h
UndoDemo.rc
UndoDemoDoc.cpp
UndoDemoDoc.h
UndoDemoView.cpp
UndoDemoView.h
UndoHistoryPopup.cpp
UndoHistoryPopup.h