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C#+ArcEngine开发的一些示例代码：制作Symbol选择对话框 如何实现在MAP空间里选择一块区域打印 如何新建新图层 实现TOC控件里的图层拖动等等。 VBA+AO入门50例完全注释版 中文注释是自己加上去的-C#+ ArcEngine developed some sample code: create Symbol dialog box to choose how to achieve the MAP space to print how to choose a new regio