本文整理汇总了C#中System.Reflection.Emit.ConstructorBuilder.SetCustomAttribute方法的典型用法代码示例。如果您正苦于以下问题：C# ConstructorBuilder.SetCustomAttribute方法的具体用法？C# ConstructorBuilder.SetCustomAttribute怎么用？C# ConstructorBuilder.SetCustomAttribute使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Reflection.Emit.ConstructorBuilder的用法示例。
在下文中一共展示了ConstructorBuilder.SetCustomAttribute方法的2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: MyAttribute
//引入命名空间
using System;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
[AttributeUsage(AttributeTargets.All, AllowMultiple = false)]
public class MyAttribute : Attribute
{
public String myString;
public int myInteger;
public MyAttribute(String myString, int myInteger)
{
this.myString = myString;
this.myInteger = myInteger;
}
}
public class MyConstructorBuilder
{
public static void Main()
{
Type myHelloworld = MyCreateCallee(Thread.GetDomain());
ConstructorInfo myConstructor = myHelloworld.GetConstructor(new Type[]{typeof(String)});
object[] myAttributes1 = myConstructor.GetCustomAttributes(true);
Console.WriteLine("MyAttribute custom attribute contains ");
for(int index=0; index < myAttributes1.Length; index++)
{
if(myAttributes1[index] is MyAttribute)
{
Console.WriteLine("The value of myString is : "
+ ((MyAttribute)myAttributes1[index]).myString);
Console.WriteLine("The value of myInteger is : "
+ ((MyAttribute)myAttributes1[index]).myInteger);
}
}
}
private static Type MyCreateCallee(AppDomain domain)
{
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "EmittedAssembly";
// Define a dynamic assembly in the current application domain.
AssemblyBuilder myAssembly =
domain.DefineDynamicAssembly(myAssemblyName,AssemblyBuilderAccess.Run);
// Define a dynamic module in this assembly.
ModuleBuilder myModuleBuilder = myAssembly.DefineDynamicModule("EmittedModule");
// Construct a 'TypeBuilder' given the name and attributes.
TypeBuilder myTypeBuilder = myModuleBuilder.DefineType("HelloWorld",
TypeAttributes.Public);
// Define a constructor of the dynamic class.
ConstructorBuilder myConstructor = myTypeBuilder.DefineConstructor(
MethodAttributes.Public, CallingConventions.Standard, new Type[]{typeof(String)});
ILGenerator myILGenerator = myConstructor.GetILGenerator();
myILGenerator.Emit(OpCodes.Ldstr, "Constructor is invoked");
myILGenerator.Emit(OpCodes.Ldarg_1);
MethodInfo myMethodInfo =
typeof(Console).GetMethod("WriteLine",new Type[]{typeof(string)});
myILGenerator.Emit(OpCodes.Call, myMethodInfo);
myILGenerator.Emit(OpCodes.Ret);
Type myType = typeof(MyAttribute);
ConstructorInfo myConstructorInfo = myType.GetConstructor(new Type[2]{typeof(String), typeof(int)});
CustomAttributeBuilder attributeBuilder =
new CustomAttributeBuilder(myConstructorInfo, new object[2]{"Hello", 2});
try
{
myConstructor.SetCustomAttribute(attributeBuilder);
}
catch(ArgumentNullException ex)
{
Console.WriteLine("The following exception has occurred : "+ex.Message);
}
catch(Exception ex)
{
Console.WriteLine("The following exception has occurred : "+ex.Message);
}
return myTypeBuilder.CreateType();
}
}示例2: MyAttribute
//引入命名空间
using System;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
[AttributeUsage(AttributeTargets.All, AllowMultiple = false)]
public class MyAttribute : Attribute
{
public bool myBoolean;
public MyAttribute(bool myBoolean)
{
this.myBoolean = myBoolean;
}
}
public class MyConstructorBuilder
{
public static void Main()
{
Type myHelloworld = MyCreateCallee(Thread.GetDomain());
ConstructorInfo myConstructor = myHelloworld.GetConstructor(new Type[]{typeof(String)});
object[] myAttributes1 = myConstructor.GetCustomAttributes(true);
Console.WriteLine("MyAttribute custom attribute contains ");
for(int index=0; index < myAttributes1.Length; index++)
{
if(myAttributes1[index] is MyAttribute)
{
Console.WriteLine("myBoolean : " + ((MyAttribute)myAttributes1[index]).myBoolean);
}
}
}
private static Type MyCreateCallee(AppDomain domain)
{
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "EmittedAssembly";
// Define a dynamic assembly in the current application domain.
AssemblyBuilder myAssembly =
domain.DefineDynamicAssembly(myAssemblyName,AssemblyBuilderAccess.Run);
// Define a dynamic module in this assembly.
ModuleBuilder myModuleBuilder = myAssembly.DefineDynamicModule("EmittedModule");
// Construct a 'TypeBuilder' given the name and attributes.
TypeBuilder myTypeBuilder = myModuleBuilder.DefineType("HelloWorld",
TypeAttributes.Public);
// Define a constructor of the dynamic class.
ConstructorBuilder myConstructor = myTypeBuilder.DefineConstructor(
MethodAttributes.Public, CallingConventions.Standard, new Type[]{typeof(String)});
ILGenerator myILGenerator = myConstructor.GetILGenerator();
myILGenerator.Emit(OpCodes.Ldstr, "Constructor is invoked");
myILGenerator.Emit(OpCodes.Ldarg_1);
MethodInfo myMethodInfo =
typeof(Console).GetMethod("WriteLine",new Type[]{typeof(string)});
myILGenerator.Emit(OpCodes.Call, myMethodInfo);
myILGenerator.Emit(OpCodes.Ret);
Type myType = typeof(MyAttribute);
ConstructorInfo myConstructorInfo = myType.GetConstructor(new Type[]{typeof(bool)});
try
{
myConstructor.SetCustomAttribute(myConstructorInfo, new byte[]{01,00,01});
}
catch(ArgumentNullException ex)
{
Console.WriteLine("The following exception has occurred : "+ex.Message);
}
catch(Exception ex)
{
Console.WriteLine("The following exception has occurred : "+ex.Message);
}
return myTypeBuilder.CreateType();
}
}