vb.Net编程简介之四

Private Declare Function GetPrivateProfileStringKey

Lib "kernel32" Alias

"GetPrivateProfileStringA" (ByVal lpApplicationName As

String, ByVal

lpKeyName As String, ByVal lpDefault As String, ByVal

lpReturnedString As String, ByVal nSize As Long,

ByVal

lpFileName As String) As Long

Private Declare Function GetPrivateProfileStringNullKey

Lib "kernel32"

Alias "GetPrivateProfileStringA" (ByVal

lpApplicationName As String,

ByVal lpKeyName As Long, ByVal lpDefault As String,

ByVal

lpReturnedString As String, ByVal nSize As Long,

ByVal

lpFileName As String) As Long

当你希望传递Null数值时，使用GetPrivateProfileStringNullKey。

3、如果你的程序中有诸如建立线程、Windows子类(subclassing)，

消息钩子等API调用时，这些函数在Visual Basic.NET下可能会产生运行时错误。很多这些API在Visual Basic.NET或者.NET架构中有等价的函数。