
我們要實現上圖中的效果,需要如下的操作:

打開集合編輯器,並點擊“添加”,如圖1
Text和Value中都輸入需要在列表中顯示的選項,如圖2
在Items中添加數據,如圖3
圖1
圖2
圖3
設置默認選項,需要在代碼中實現
VB:
Private Sub Button1_Click(senderAs Object, e As EventArgs)Handles Button1.Click
Me.PopList1.Show()
If Label8.Text.Trim().Length <= 0 Then
Me.PopList1.SetSelections(Me.PopList1.Groups(0).Items(6))
End If
End Sub
C#:
private void Button1_Click(object sender, EventArgs e)
{
PopList1.Show();
If (Label8.Text.Trim().Length <= 0)
{
PopList1.SetSelections(PopList1.Groups[0].Items[0]);
}
}
默認設置不允許多選

在內容選擇完成後的事件
事件代碼:
VB:
Private Sub PopList1_Selected(senderAs Object, e As EventArgs)Handles PopList1.Selected
Me.Label8.Text = PopList1.Selection.Text
End Sub
C#:
private void PopList1_Selected(object sender, EventArgs e)
{
this.Label8.Text = PopList1.Selection.Text;
}
