建立与读取.ini文件

时间：2023-01-31 04:22:30
一般读写ini文件被读写Registry所取代，但我们还是可以透过
win31的传统方式读写ini文件，以存程式目前的相关设定，而於下一次程式执行时再
读回来。目前建议使用GetSetting SaveSetting的方式存於Registry中，不用目前
的方式。 储存程式的设定
'请於form中放3个TextBox，一个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")
'叁数一 Section Name
'叁数二 於.ini中的项目
'叁数三 项目的内容
'叁数四 .ini文件的名称
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中无text1，则采用叁数三的值
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
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