vb建立與讀取.ini文件

雖然進入win95之後，一般讀寫ini文件被讀寫Registry所取代，但我們還是可以透過win31的傳統方式讀寫ini文件，以存程式目前的相關設定，而於下一次程式執行時再讀回來。目前建議使用GetSetting SaveSetting的方式存於Registry中，不用目前的方式。儲存程式的設定

'請於form中放3個TextBox，一個CommandBox
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
Private Sub Command1_Click()
Dim success As Long
success = WritePrivateProfileString("MyApp", "text1", Text1.Text, "c:\aa.ini")
'三數一 Section Name
'三數二 於.ini中的項目
'三數三 項目的內容
'三數四 .ini文件的名稱
success = WritePrivateProfileString("MyApp", "text2", Text2.Text, "c:\aa.ini")
success = WritePrivateProfileString("MyApp2", "text3", Text3.Text, "c:\aa.ini")
End Sub
Private Sub Form_load()
Dim ret As Long
Dim buff As String
buff = String(255, 0)
ret = GetPrivateProfileString("Myapp", "text1", "text1", buff, 256, "c:\aa.ini")
'若.ini MyApp中無text1，則采用三數三的值
Text1.Text = buff
buff = String(255, 0)
ret = GetPrivateProfileString("Myapp", "text2", "text2", buff, 256, "c:\aa.ini")
Text2.Text = buff
buff = String(255, 0)
ret = GetPrivateProfileString("Myapp2", "text3", "text3", buff, 256, "c:\aa.ini")
Text3.Text = buff
End Sub