usingSystem.Text;usingSystem.Windows;usingSystem.Windows.Controls;usingSystem.Windows.Data;usingSystem.Windows.Documents;usingSystem.Windows.Input;usingSystem.Windows.Media;usingSystem.Windows.Media.Imaging;usingSystem.Windows.Navigation;

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Threading.Tasks;usingSystem.Windows;usingSystem.Windows.Controls;usingSystem.Windows.Data;usingSystem.Windows.Documents;usingSystem.Windows.Input;

一、目的：基于WPF开发的仿PPT程序，演示基于DrawingVisual开发的2D图形绘制工具二、效果图三、环境VS2022，.net7.0,WPF四、功能图形绘制基础绘图矩形多线段多边形点和文本曲线标记箭头导入图片标尺椭圆平滑曲线圆形贝塞尔曲线进攻方向箭头圆弧Visu