1. Drag onto the page to add a scale symbol with automatic numbering. Drag a side handle to stretch and renumber. 拖到绘图页后，可以添加一个具有自动编号功能的比例符号。拖动侧边手柄可拉伸并重新编号。
2. Note that before sending TVM_SELECTITEM message, you must hide the drag image first else your drag image will leave ugly traces. 注意，在发送TVM_SELECTITEM之前，你必须先隐藏这个拖拉图像否则这个图像将留下非常丑陋的轨迹。
3. Quinic acid is an important fine chemical product and intermediates of drag synthesis, which can be numerously used in drag synthesis, food and chemistry industry. 奎尼酸是一种具有极高价值的精细化工产品和医药中间体，在医药工业、食品工业、化工等行业均有较大的用途。
4. To introduce the constitution and process control of a dummy bar follow -up system with drag belt and without drag belt. 介绍了带牵引钢带与不带牵引钢带引锭杆跟踪系统的构成及其对工艺过程的控制。
5. Furthermore, if you so desire, you can hilite the item that the drag image is over by sending TVM_HITTEST to check if the drag image is over some item. 如果你非常希望你在拖动图像的时候那些它经过的项目呈高亮显示，你可以发送TVM_HITTEST消息来检查拖拉图像是否经过某些项。
