本文整理匯總了VB.NET中System.Linq.Expressions.Expression.Subtract方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET Expression.Subtract方法的具體用法?VB.NET Expression.Subtract怎麽用?VB.NET Expression.Subtract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.Subtract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: Func
' Add the following directive to your file:
' Imports System.Linq.Expressions
' This expression subtracts the second argument
' from the first argument.
' Both arguments must be of the same type.
Dim subtractExpr As Expression = Expression.Subtract(
Expression.Constant(12),
Expression.Constant(3)
)
' Print the expression.
Console.WriteLine(subtractExpr.ToString())
' The following statement first creates an expression tree,
' then compiles it, and then executes it.
Console.WriteLine(Expression.Lambda(Of Func(Of Integer))(subtractExpr).Compile()())
輸出:
(12 - 3) 9