好吧,我在c#中做了這個,並使用翻譯器將它轉換爲Visual Basic。
它應該從你的問題中可以理解的技巧。
Public Class Form1
Dim OLDDATA As String
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Dim myItems = New List(Of String)
myItems.Add("Hello")
myItems.Add("World")
myItems.Add("Cube")
For Each item As String In myItems
ComboBox1.Items.Add(item)
Next
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Try
ComboBox1.Items.Remove(OLDDATA)
ComboBox1.Items.Add(ComboBox1.Text)
ComboBox1.Update()
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
End Sub
Private Sub ComboBox1_Click(sender As Object, e As EventArgs) Handles ComboBox1.Click
OLDDATA = ComboBox1.Text
End Sub
End Class
如果您有任何問題,請告訴我,我會盡力回覆您。
快樂編碼!
是的這個劑量我想要一個非常感謝:) – TM80
一個快樂的隊友 – Werdna