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我有一个包含帐户不同功能区域的窗口。细节,角色,类型,合同等。窗口的DataContext被设置为'AccountViewModel'。在AccountViewModel内部,属性之一是包含详细信息的“帐户”。我需要用户能够更新这些细节。如何通知属性在更改时调用Update()代码?绑定到类别属性时的属性通知
这里是我有什么
<TextBox x:Name="txtAccountNumber" Grid.Row="0" Grid.Column="1" Text="{Binding Path=Account.AccountNumber, UpdateSourceTrigger=LostFocus}" />
Sub New()
InitializeComponent()
DataContext = AccountViewModel
End Sub
Class AccountViewModel
Public Property Account As Account
Get
Return _account
End Get
Set(ByVal value As Account)
_account = value
End Set
End Property
End Class
Public Class Account
Private _accountNumber As String
<DisplayName("Account Number")> _
Public Property AccountNumber As String
Get
Return _accountNumber
End Get
Set(ByVal value As String)
_accountNumber = value
End Set
End Property
End Class
这表明我正确的方向,谢谢!对于其他人来说,我在AccountViewModel类的Sub New()中设置_account时添加了以下行:AddHandler _account.PropertyChanged,AddressOf OnAccountPropertyChanged – knockando 2011-06-13 21:11:22