Declare Function Utf8toascii(Byref Strutf8 As String) As String Declare Function Ansitoutf8(Byref Sansi As String) As String Declare Function Utf8tounicode(Byref Ansistr As Const String) As String Declare Function Unicodetoutf8(Byval Pswzunicode As Wstring Ptr) As String Function isUtf8( Byref sText ...
我们在声明API的时候,ByRef Val As String 和 ByVal Val As String 之间的区别到底是什么?它们底层都是怎么工作的? VB6 的String(字符串)是一个指针,指向一个BSTR结构的字符串。而BSTR的存储的结构,是用4个字节来存储字符串的长度(所有字符的总字节数,不包括结尾的'\0'),然后紧随其后存储的是用Unicode编码的 ...