C# 多個Form間切換

https://cyfangnotepad.blogspot.com/2013/02/cnet-ab.html


http://oblivious9.pixnet.net/blog/post/192683977-c%23-%E5%A4%9A%E5%80%8Bform%E9%96%93%E5%88%87%E6%8F%9B

http://www.blueshop.com.tw/board/FUM20050124192253INM/BRD20091119183410594.html