自绘 MFC 各种基本控件，包括png，jpeg库，文本框、编辑框、滚动条、滑块、按钮、进度条、菜单、富文本框、单选框、列表框、对话框等常用控件-Self-drawn MFC variety of controls, including png, jpeg library, text boxes, edit boxes, scroll bars, sliders, buttons, progress bars, menus, rich text boxes, radio buttons, lis