32位系统与64位系统，VBA语句有什么不同么？

tongxin1979

各位大神，小弟是vba小白，刚刚开始学习，如题问题，希望解答，谢谢！

约定的童话

#If Win64 And VBA7 Then
    Private Declare PtrSafe Function MultiByteToWideChar Lib "kernel32 " (ByVal CodePage As Long, ByVal dwFlags As Long, ByVal lpMultiByteStr As LongPtr, ByVal cchMultiByte As Long, ByVal lpWideCharStr As LongPtr, ByVal cchWideChar As Long) As Long
    Private Declare PtrSafe Function WideCharToMultiByte Lib "kernel32 " (ByVal CodePage As Long, ByVal dwFlags As Long, ByVal lpWideCharStr As LongPtr, ByVal cchWideChar As Long, ByVal lpMultiByteStrPtr As LongPtr, ByVal cchMultiByte As Long, ByVal lpDefaultChar As LongPtr, ByVal lpUsedDefaultChar As LongPtr) As Long
#Else
    Private Declare Function MultiByteToWideChar Lib "kernel32 " (ByVal CodePage As Long, ByVal dwFlags As Long, ByVal lpMultiByteStr As Long, ByVal cchMultiByte As Long, ByVal lpWideCharStr As Long, ByVal cchWideChar As Long) As Long
    Private Declare Function WideCharToMultiByte Lib "kernel32 " (ByVal CodePage As Long, ByVal dwFlags As Long, ByVal lpWideCharStr As Long, ByVal cchWideChar As Long, ByVal lpMultiByteStr As Long, ByVal cchMultiByte As Long, ByVal lpDefaultChar As Long, ByVal lpUsedDefaultChar As Long) As Long
#End If
Private Const CP_ACP = 0 ' default to ANSI code page
Private Const CP_UTF8 = 65001 ' default to UTF-8 code page