本文整理汇总了C#中System.Reflection.Emit.FieldBuilder类的典型用法代码示例。如果您正苦于以下问题：C# FieldBuilder类的具体用法？C# FieldBuilder怎么用？C# FieldBuilder使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
FieldBuilder类属于System.Reflection.Emit命名空间，在下文中一共展示了FieldBuilder类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateType
//引入命名空间
using System;
using System.Reflection;
using System.Reflection.Emit;
public class FieldBuilder_Sample
{
private static Type CreateType()
{
// Create an assembly.
AssemblyName assemName = new AssemblyName();
assemName.Name = "DynamicAssembly";
AssemblyBuilder assemBuilder =
AssemblyBuilder.DefineDynamicAssembly(assemName, AssemblyBuilderAccess.Run);
// Create a dynamic module in Dynamic Assembly.
ModuleBuilder modBuilder = assemBuilder.DefineDynamicModule("DynamicModule");
// Define a public class named "DynamicClass" in the assembly.
TypeBuilder typBuilder = modBuilder.DefineType("DynamicClass", TypeAttributes.Public);
// Define a private String field named "DynamicField" in the type.
FieldBuilder fldBuilder = typBuilder.DefineField("DynamicField",
typeof(string), FieldAttributes.Private | FieldAttributes.Static);
// Create the constructor.
Type[] constructorArgs = { typeof(String) };
ConstructorBuilder constructor = typBuilder.DefineConstructor(
MethodAttributes.Public, CallingConventions.Standard, constructorArgs);
ILGenerator constructorIL = constructor.GetILGenerator();
constructorIL.Emit(OpCodes.Ldarg_0);
ConstructorInfo superConstructor = typeof(Object).GetConstructor(new Type[0]);
constructorIL.Emit(OpCodes.Call, superConstructor);
constructorIL.Emit(OpCodes.Ldarg_0);
constructorIL.Emit(OpCodes.Ldarg_1);
constructorIL.Emit(OpCodes.Stfld, fldBuilder);
constructorIL.Emit(OpCodes.Ret);
// Create the DynamicMethod method.
MethodBuilder methBuilder= typBuilder.DefineMethod("DynamicMethod",
MethodAttributes.Public,typeof(String),null);
ILGenerator methodIL = methBuilder.GetILGenerator();
methodIL.Emit(OpCodes.Ldarg_0);
methodIL.Emit(OpCodes.Ldfld, fldBuilder);
methodIL.Emit(OpCodes.Ret);
Console.WriteLine($"Name : {fldBuilder.Name}");
Console.WriteLine($"DeclaringType : {fldBuilder.DeclaringType}");
Console.WriteLine($"Type : {fldBuilder.FieldType}");
return typBuilder.CreateType();
}
public static void Main()
{
Type dynType = CreateType();
try
{
// Create an instance of the "HelloWorld" class.
Object helloWorld = Activator.CreateInstance(dynType, new Object[] { "HelloWorld" });
// Invoke the "DynamicMethod" method of the "DynamicClass" class.
Object obj = dynType.InvokeMember("DynamicMethod",
BindingFlags.InvokeMethod, null, helloWorld, null);
Console.WriteLine($"DynamicClass.DynamicMethod returned: \"{obj}\"");
}
catch(MethodAccessException e)
{
Console.WriteLine($"{e.GetType().Name}: {e.Message}");
}
}
}