完善框架，新增两个close方法；

alielie

2025-03-17 c401a2f2fd1a509cdeb33e850bb5c2827074af48

 .gitignore

@@ -16,6 +16,7 @@
bld/
[Bb]in/
[Oo]bj/
**/packages/

# Roslyn cache directories
*.ide/