就是想 实现个简单的把字符串每两个字符插入点东西,可是运行的时候报错len未定义,我看了微软官方文档里面存在len和mid函数 但是在ms vb 2022却无法调用,这是为什么?没有对应的库?
Private Sub begin_Click(sender As Object, e As RoutedEventArgs) Handles begin.Click
Dim origindata, newdata As String
Dim i, lens As Integer
i = 0
origindata = input.Text
newdata = "("
lens = len(origindata)
Do While (i + 2) < lens
newdata = newdata + ",0X" + Mid(origindata, i, 2)
i += 2
Loop
output.Text = newdata
End Sub