本文整理匯總了VB.NET中System.Linq.Expressions.Expression.PropertyOrField方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET Expression.PropertyOrField方法的具體用法？VB.NET Expression.PropertyOrField怎麽用？VB.NET Expression.PropertyOrField使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Linq.Expressions.Expression的用法示例。
在下文中一共展示了Expression.PropertyOrField方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: TestClass
' Add the following directive to your file:
' Imports System.Linq.Expressions
Class TestClass
Public Property Sample As Integer
End Class
Sub TestPropertyOrField()
Dim obj As New TestClass()
obj.Sample = 40
' This expression represents accessing a property or field.
' For static properties or fields, the first parameter must be Nothing.
Dim memberExpr As Expression = Expression.PropertyOrField(
Expression.Constant(obj),
"Sample"
)
' The following statement first creates an expression tree,
' then compiles it, and then runs it.
Console.WriteLine(Expression.Lambda(Of Func(Of Integer))(memberExpr).Compile()())
End Sub輸出：
40