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VB.NET TypeBuilder.DefineTypeInitializer方法代码示例

本文整理汇总了VB.NET中System.Reflection.Emit.TypeBuilder.DefineTypeInitializer方法的典型用法代码示例。如果您正苦于以下问题:VB.NET TypeBuilder.DefineTypeInitializer方法的具体用法?VB.NET TypeBuilder.DefineTypeInitializer怎么用?VB.NET TypeBuilder.DefineTypeInitializer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System.Reflection.Emit.TypeBuilder的用法示例。


在下文中一共展示了TypeBuilder.DefineTypeInitializer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VB.NET代码示例。

示例1: MyApplication

Public Class MyApplication

   Public Shared Sub Main()
      ' Create the "HelloWorld" class
      Dim helloWorldClass As TypeBuilder = CreateCallee(Thread.GetDomain())
      Console.WriteLine("Full Name : " + helloWorldClass.FullName)
      Console.WriteLine("Constructors :")
      Dim info As ConstructorInfo() = helloWorldClass.GetConstructors(BindingFlags.Public Or _
                                                                     BindingFlags.Instance)
      Dim index As Integer
      For index = 0 To info.Length - 1
         Console.WriteLine(info(index).ToString())
      Next index
   End Sub

   ' Create the callee transient dynamic assembly.
   Private Shared Function CreateCallee(myDomain As AppDomain) As TypeBuilder
      Dim myAssemblyName As New AssemblyName()
      myAssemblyName.Name = "EmittedAssembly"

      ' Create the callee dynamic assembly.
      Dim myAssembly As AssemblyBuilder = myDomain.DefineDynamicAssembly(myAssemblyName, _
                                                               AssemblyBuilderAccess.Run)
      ' Create a dynamic module named "CalleeModule" in the callee assembly.
      Dim myModule As ModuleBuilder = myAssembly.DefineDynamicModule("EmittedModule")

      ' Define a public class named "HelloWorld" in the assembly.
      Dim helloWorldClass As TypeBuilder = myModule.DefineType("HelloWorld", TypeAttributes.Public)
      ' Define a private String field named "Greeting" in the type.
      Dim greetingField As FieldBuilder = helloWorldClass.DefineField("Greeting", GetType(String), _
                                                                     FieldAttributes.Private)

      ' Create the constructor.
      Dim constructor As ConstructorBuilder = helloWorldClass.DefineTypeInitializer()

      ' Generate IL for the method. The constructor calls its base class
      ' constructor. The constructor stores its argument in the private field.
      Dim constructorIL As ILGenerator = constructor.GetILGenerator()
      constructorIL.Emit(OpCodes.Ldarg_0)
      Dim superConstructor As ConstructorInfo = GetType(Object).GetConstructor(New Type() {})
      constructorIL.Emit(OpCodes.Call, superConstructor)
      constructorIL.Emit(OpCodes.Ldarg_0)
      constructorIL.Emit(OpCodes.Ldarg_1)
      constructorIL.Emit(OpCodes.Stfld, greetingField)
      constructorIL.Emit(OpCodes.Ret)

      helloWorldClass.CreateType()
      Return helloWorldClass
   End Function 'CreateCallee
End Class
开发者ID:VB.NET开发者,项目名称:System.Reflection.Emit,代码行数:50,代码来源:TypeBuilder.DefineTypeInitializer


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