NSIS 安装完毕后如何刷新文件关联
!define SHCNE_ASSOCCHANGED 0x8000000 !define SHCNF_IDLIST 0 System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, i 0, i 0)'