你好每个人都希望你很快回答这个问题,我试图在我的标签数组中添加一个处理程序,所以当我双击任何数组时会出现一个msgbox,这里是代码:
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
count = 0
labels()
DateTimePicker1.Visible = False
For Each Label In labelarray
AddHandler Label.DoubleClick, AddressOf label_click
Next
End Sub
Private Sub label_click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim clickedLabel As Label = DirectCast(sender, Label)
MessageBox.Show("Label text Clicked was: " & clickedLabel.Text)
End Sub
然后它一直告诉我System.NullReferenceException和标签没什么请求帮助