平面图形控件，可以创建和编辑矢量图形以及便捷的显示操作。文字和尺寸标注；元素属性设置；长度、角度、面积的查询；DXF,dwg输出；提供交换文件和二次开发接口。适用于CAD/CAM/GIS/GPS等相关图形软件开发。-graphic controls, you can create and edit vector graphics display and convenient operation. Text and dimensioning; Elements attribute set; The

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