Combo

代码说明：

  一个VC++下拉字体预览框，像Word的字体选择功能一样，鼠标点击下拉框的时候，下拉框中的字体名称显示的样式就是该字体的样式，用户选择哪种字体一目了然，方便了用户操作。 (A VC++ drop-down box font preview, font selection function as the Word, like drop-down box when a mouse click, drop-down box displays the name of the style of the font is the font style, font at a glance the user choose which to facilitate the user.)