如果您正苦于以下问题:C# Expression.Field方法的具体用法?C# Expression.Field怎么用?C# Expression.Field使用的例子?那么, 这里精选的代码示例或许能为您提供帮助。
以下是System.Linq.Expressions.Expression
类Expression.Field方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为感觉有用的代码点赞,您的评价将有助于系统推荐出更好的C#代码示例。
示例1: TestField
// Add the following directive to your file:
// using System.Linq.Expressions;
class TestFieldClass
{
int sample = 40;
}
static void TestField()
{
TestFieldClass obj = new TestFieldClass();
// This expression represents accessing a field.
// For static fields, the first parameter must be null.
Expression fieldExpr = Expression.Field(
Expression.Constant(obj),
"sample"
);
// The following statement first creates an expression tree,
// then compiles it, and then runs it.
Console.WriteLine(Expression.Lambda<Func<int>>(fieldExpr).Compile()());
}
输出:
40