本文整理汇总了VB.NET中System.Windows.Data.BindingGroup.GetValue方法的典型用法代码示例。如果您正苦于以下问题：VB.NET BindingGroup.GetValue方法的具体用法？VB.NET BindingGroup.GetValue怎么用？VB.NET BindingGroup.GetValue使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Data.BindingGroup的用法示例。
在下文中一共展示了BindingGroup.GetValue方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: AreasMatch
Public Class AreasMatch
Inherits ValidationRule
Public Overrides Function Validate(ByVal value As Object, ByVal cultureInfo As System.Globalization.CultureInfo) As ValidationResult
Dim bg As BindingGroup = TryCast(value, BindingGroup)
Dim cust As Customer = TryCast(bg.Items(0), Customer)
If cust Is Nothing Then
Return New ValidationResult(False, "Customer is not the source object")
End If
Dim region As Region = CType(bg.GetValue(cust, "Location"), Region)
Dim rep As ServiceRep = TryCast(bg.GetValue(cust, "ServiceRepresentative"), ServiceRep)
Dim customerName As String = TryCast(bg.GetValue(cust, "Name"), String)
If region = rep.Area Then
Return ValidationResult.ValidResult
Else
Dim sb As New StringBuilder()
sb.AppendFormat("{0} must be assigned a sales representative that serves the {1} region. " & vbLf & " ", customerName, region)
Return New ValidationResult(False, sb.ToString())
End If
End Function
End Class