摘要：
///画线void btn_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { Button btn = sender as Button; var geometry = ... 阅读全文
摘要：
/// /// 点（x3,y3）到经过点（x1,y1）和点（x2,y2）的直线的最短距离 /// /// /// /// /// public static double GetMinDis... 阅读全文