System.string[]/listbox问题VB.NET
我对VB.NET还比较陌生,我正在试图弄清楚为什么在下面代码的第一部分中会出现System.string[],在第二部分中,我想知道为什么会出现4x4次 这是我的密码System.string[]/listbox问题VB.NET,vb.net,Vb.net,我对VB.NET还比较陌生,我正在试图弄清楚为什么在下面代码的第一部分中会出现System.string[],在第二部分中,我想知道为什么会出现4x4次 这是我的密码 Public Class Form1 Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim Colours() As String = {"Red", "Blue", "Yellow",
Public Class Form1
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim Colours() As String = {"Red", "Blue", "Yellow", "Green"}
For Each item As String In Colours
Console.WriteLine(Colours)
Next
End Sub
End Class
此外,如果我尝试它将成为一个列表框,它会添加每个项目,但它会这样做4x4次
例如,它将在列表中添加四次“红色”
Public Class Form1
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim Colours() As String = {"Red", "Blue", "Yellow", "Green"}
For Each item As String In Colours
ListBox1.Items.AddRange(Colours)
Next
End Sub
End Class
再次感谢,我不太确定我是否可以同时问两个问题,但我想既然它们差不多是同一个问题,那就可以使用
颜色而不是使用实际的项目:
For Each item As String In Colours
ListBox1.Items.Add(item)
Next
与您的控制台相同。WriteLine
For Each item As String In Colours
Console.WriteLine(item)
Next
谢谢,伙计:)我应该猜到了,我在控制台方面也尝试过这个,通过添加“Items”,它也起了作用,再次感谢,伙计:)