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给大图片添加滚动条源码程序,结合易语言应用接口支持库和操作系统界面功能支持库,窗口大小不变,图片框适应图片的大小,图片框的位置随滚动条的滚动而移动。(Add scroll bars to the big picture source program , combined with easy language support library application interface and operating system support library interface functions , the window size unchanged, location picture box to adapt the picture size , picture box with the scroll bar and move the scroll .)