图形用户界面（gui）是通过窗口、图标、按钮、菜单、文本等图形对象构成用户界面-Graphical user interface (gui) is constituted by graphical objects such as windows, icons, buttons, menus, text, user interface

windows 按钮图标变换，替换原来windows的button为指定的图标。源码，vs2010编译。-Windows button icon transform, replace the original windows button for the specified icon. VS2010 compiler source code,.