在 C# 中獲取當前型別指定成員?
要獲取當前 Type 的指定成員,程式碼如下 −
示例
using System; using System.Reflection; public class Demo { public static void Main() { Type type = typeof(Subject); try { FieldInfo fieldInfo = type.GetField("SubName"); MemberInfo[] info = type.GetMember("SubName"); Console.Write("Members = "); for (int i = 0; i < info.Length; i++) Console.WriteLine(" {0}", info[i]); Console.WriteLine("FieldInfo = {0}", fieldInfo); } catch (ArgumentNullException e) { Console.Write("{0}", e.GetType(), e.Message); } } } public class Subject { public string SubName = "Science"; }
輸出
這將產生以下輸出 −
Members = System.String SubName FieldInfo = System.String SubName
現在讓我們看另一個示例 −
示例
using System; using System.Reflection; public class Demo { public static void Main() { Type type = typeof(Subject); try { FieldInfo fieldInfo = type.GetField("SubName"); MemberInfo[] info = type.GetMember("SubName", BindingFlags.Public | BindingFlags.Instance); Console.Write("Members = "); for (int i = 0; i < info.Length; i++) Console.WriteLine(" {0}", info[i]); Console.WriteLine("FieldInfo = {0}", fieldInfo); } catch (ArgumentNullException e) { Console.Write("{0}", e.GetType(), e.Message); } } } public class Subject { public string SubName = "Science"; }
輸出
這將產生以下輸出 −
Members = System.String SubName FieldInfo = System.String SubName
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