单独开一界面做测试也没有问题:
Dim dd As Integer = 2 - 5
TextBox1.Text = dd
Dim ss As System.IO.StreamWriter = New System.IO.StreamWriter("e:\111.txt", True, System.Text.Encoding.UTF8)
ss.WriteLine(TextBox1.Text)
ss.Close()
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每次写入txt提示错误,说文件正在被使用
如果在前面增加语句MSGBOX("你好!”),写入也没有问题 单独开一界面做测试也没有问题: Dim dd As Integer = 2 - 5 TextBox1.Text = dd Dim ss As System.IO.StreamWriter = New System.IO.StreamWriter("e:\111.txt", True, System.Text.Encoding.UTF8) ss.WriteLine(TextBox1.Text) ss.Close()