按钮窗口（控件）在MFC中使用CButton表示，CButton包含了三种样式的按钮，Push Button，Check Box，Radio Box。所以在利用CButton对象生成按钮窗口时需要指明按钮的风格。-Button window (controls) in MFC CButton, The CButton includes three styles of button, Push the Button, Check Box, Radio Box. So you need to spe