我創建了一個名爲事務公共類(見下文),在我的WPF應用程序WPF類事件不燒
Public Class Transaction
Public Event Populate()
Public Sub New(TransactionType As String)
RaiseEvent Populate()
End Sub
End Class
然後在我的WPF窗口我已經實例化這個類的一個實例(見下文)
Public Class Window1
Dim WithEvents lgTransaction As Transaction
Private Sub buCreateTran_Click(sender As Object, e As RoutedEventArgs) Handles buCreateTran.Click
lgTransaction = New Transaction("SALE")
End Sub
Private Sub lgTransaction_Populate() Handles lgTransaction.Populate
MsgBox("Populate")
End Sub
End Class
由於某些原因,Populate事件不會在WPF Form中觸發?我是WPF的新手,所以這是我如何在傳統的vb.net中做到這一點。有沒有人有任何想法或指針,爲什麼它不是射擊?