一行代码不解,高手指教!
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim count, i As Integer
For i = 0 To TextBox1.Text.Length() - 1
If TextBox1.Text.Substring(i, 1) = vbCr Then
count += 1
i += 1 <-----------该句代码有必要吗? '解释说是跳过换行符
End If
Next i
MsgBox(count) 代码功能实现计算一个文本框中文本的行数~
End Sub