反射
反射基本用法,取自MSDN,
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using System;
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using System.Reflection;
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using System.Security.Permissions;
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[assembly:AssemblyVersionAttribute("1.0.2000.0")]
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public class Example
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{
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private int factor;
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public Example(int f)
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{
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factor = f;
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}
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public int SampleMethod(int x)
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{
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Console.WriteLine("\nExample.SampleMethod({0}) executes.", x);
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return x * factor;
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}
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public static void Main()
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{
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Assembly assem = Assembly.GetExecutingAssembly();
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Console.WriteLine("Assembly Full Name:");
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Console.WriteLine(assem.FullName);
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// The AssemblyName type can be used to parse the full name.
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AssemblyName assemName = assem.GetName();
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Console.WriteLine("\nName: {0}", assemName.Name);
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Console.WriteLine("Version: {0}.{1}",
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assemName.Version.Major, assemName.Version.Minor);
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Console.WriteLine("\nAssembly CodeBase:");
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Console.WriteLine(assem.CodeBase);
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// Create an object from the assembly, passing in the correct number
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// and type of arguments for the constructor.
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Object o = assem.CreateInstance("Example", false,
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BindingFlags.ExactBinding,
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null, new Object[] { 2 }, null, null);
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// Make a late-bound call to an instance method of the object.
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MethodInfo m = assem.GetType("Example").GetMethod("SampleMethod");
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Object ret = m.Invoke(o, new Object[] { 42 });
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Console.WriteLine("SampleMethod returned {0}.", ret);
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Console.WriteLine("\nAssembly entry point:");
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Console.WriteLine(assem.EntryPoint);
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}
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}
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/* This code example produces output similar to the following:
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Assembly Full Name:
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source, Version=1.0.2000.0, Culture=neutral, PublicKeyToken=null
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Name: source
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Version: 1.0
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Assembly CodeBase:
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file:///C:/sdtree/AssemblyClass/cs/source.exe
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Example.SampleMethod(42) executes.
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SampleMethod returned 84.
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Assembly entry point:
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Void Main()
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*/
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