print all four coordinates
Console . WriteLine ( " { " + Xmin + " , ▁ " + Ymin + " } " ) ; Console . WriteLine ( " { " + Xmin + " , ▁ " + Ymax + " } " ) ; Console . WriteLine ( " { " + Xmax + " , ▁ " + Ymax + " } " ) ; Console . WriteLine ( " { " + Xmax + " , ▁ " + Ymin + " } " ) ; }