et99加密狗的打开函数，其官方vb调用申明如下：
Declare Function et_OpenToken Lib "FT_ET99_API.dll" (ByRef et99handle As Long, ByVal et99pid As Any, ByVal et99index As Integer) As Long
这最后一个参数的类型应该是long，否则该函数永远执行失败
et99加密狗的打开函数，其官方vb调用申明如下：
Declare Function et_OpenToken Lib "FT_ET99_API.dll" (ByRef et99handle As Long, ByVal et99pid As Any, ByVal et99index As Integer) As Long
这最后一个参数的类型应该是long，否则该函数永远执行失败
原文：https://www.cnblogs.com/afeibfp/p/8710826.html