在模块中声明了
Declare Function GetPrivateProfileString Lib "kernel32" _
Alias "GetPrivateProfileStringA" (ByVal lpApplicationName _
As String, ByVal lpKeyName As Any, ByVal lpDefault As String, _
ByVal lpReturnedString As String, ByVal nSize As Long, _
ByVal lpFileName As String) As Long
Dim DbName As String * 255 '数据库名Dim n As Integern = GetPrivateProfileString("database", "isql", "", DbName, Len(DbName), IniFileName)DbName = Left(DbName, n)结果dbname为空而n为0
Declare Function GetPrivateProfileString Lib "kernel32" _
Alias "GetPrivateProfileStringA" (ByVal lpApplicationName _
As String, ByVal lpKeyName As Any, ByVal lpDefault As String, _
ByVal lpReturnedString As String, ByVal nSize As Long, _
ByVal lpFileName As String) As Long
Dim DbName As String * 255 '数据库名Dim n As Integern = GetPrivateProfileString("database", "isql", "", DbName, Len(DbName), IniFileName)DbName = Left(DbName, n)结果dbname为空而n为0
ByVal lpApplicationName As String, _
ByVal lpszKey As String, _
ByVal lpszDefault As String, _
ByVal lpszReturnBuffer As String, _
ByVal cchReturnBuffer As Long, _
ByVal lpszFile As String _
) As LongPublic Function GetKey _
(Optional ByVal isKey As String = "", _
Optional ByVal isSection As String = "") _
As String
On Error GoTo GetKey_Error Dim KeyValue As String
Dim Characters As Long
isKey = Trim$(isKey)
If isKey = "" Then
isKey = DefaultKey
End If isSection = Trim$(isSection)
If isSection = "" Then
isSection = DefaultSection
End If KeyValue = String$(128, 0)
Characters = ProfileGetKeyValue(isSection, isKey, DEFAULT_KEYVALUE, KeyValue, 127, FileFullName)
If Characters > 0 Then DefaultSection = isSection
DefaultKey = isKey
Characters = InStr(1, KeyValue, Chr(0)) - 1
KeyValue = Trim$(Left$(KeyValue, Characters))
End If
GetKey = KeyValue
GoTo WayOut
GetKey_Error:
WayOut:
End Function
'****以下是一个读ini文件的函数****'
Public Function GetIniStr(ByVal FileName As String, _
ByVal Section As String, _
ByVal Key As String) As String
On Error Resume Next
Dim strRetVal As String
Dim strVer As String
Dim strDefValue As String
strDefValue = ""
GetIniStr = strDefValue
strRetVal = String$(255, 0)
GetPrivateProfileString Section, Key, strDefValue, strRetVal, _
Len(strRetVal), FileName
strVer = left(strRetVal, InStr(strRetVal, Chr(0)) - 1)
If strVer = "" Then
GetIniStr = strDefValue
Else
GetIniStr = strVer
End If
End Function
Private Sub Form_Load() Dim Ret As String, NC As Long ' Project1 -> Keyname
WritePrivateProfileString App.Title, "KeyName", "This is the value", "c:\test.ini" 'Create a buffer
Ret = String(255, 0)
'Retrieve the string NC = GetPrivateProfileString(App.Title, "KeyName", "Default", Ret, 255, "C:\test.ini")
'NC is the number of characters copied to the buffer
If NC <> 0 Then Ret = Left$(Ret, NC)
'Show our string
MsgBox RetEnd Sub
‘************函数中用到的API函数声明************
Private Declare Function GetPrivateProfileString 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
---------------------------------------------------------------
搜索一下有好多的
Option Explicit
Private Declare Function GetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long
Private Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpString As Any, ByVal lpFileName As String) As Long'功能简介:对INI文件进行读操作
'参数一:文件路径
'参数二:条目的小节名称
'参数三:项名或条目名
Function GetProfileString(StrFileName As String, StrAppName As String, StrKeyName As String) As String
GetProfileString = String(255, 0)
GetPrivateProfileString StrAppName, StrKeyName, "", GetProfileString, 255, StrFileName
GetProfileString = Left(GetProfileString, InStr(GetProfileString, Chr(0)) - 1)
End Function'功能简介:对INI文件进行写操作
'参数一:文件路径
'参数二:条目的小节名称
'参数三:项名或条目名
'参数四:写操作字符串
Function WriteProfilestring(StrFileName As String, StrAppName As String, StrKeyName As String, StrWrite As String) As Boolean
On Error GoTo WriteErr
WritePrivateProfileString StrAppName, StrKeyName, StrWrite, StrFileName
WriteProfilestring = True
Exit Function
WriteErr:
End Function