Private Sub Command1_Click()
Dim FileNumber As Integer
Dim FileName As String
Dim strLine As String
FileNumber = FreeFile'获得一个空闲的文件通道号
FileName = "c:\abc.txt"
Open FileName For Input As #FileNumber‘打开文件,方式有集中,参考msdn
Line Input #FileName, strLine’读一行
Close #FileName’关闭文件
End Sub