本文整理汇总了VB.NET中System.Reflection.Emit.FieldBuilder.Attributes属性的典型用法代码示例。如果您正苦于以下问题：VB.NET FieldBuilder.Attributes属性的具体用法？VB.NET FieldBuilder.Attributes怎么用？VB.NET FieldBuilder.Attributes使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Reflection.Emit.FieldBuilder的用法示例。
在下文中一共展示了FieldBuilder.Attributes属性的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: FieldBuilder_Sample
' 导入命名空间
Imports System.Threading
Imports System.Reflection
Imports System.Reflection.Emit
Imports System.Security.Permissions
Public Class FieldBuilder_Sample
Private Shared Function CreateType(currentDomain As AppDomain) As Type
' Create an assembly.
Dim myAssemblyName As New AssemblyName()
myAssemblyName.Name = "DynamicAssembly"
Dim myAssembly As AssemblyBuilder = currentDomain.DefineDynamicAssembly(myAssemblyName, _
AssemblyBuilderAccess.Run)
' Create a dynamic module in Dynamic Assembly.
Dim myModuleBuilder As ModuleBuilder = myAssembly.DefineDynamicModule("MyModule")
' Define a public class named "MyClass" in the assembly.
Dim myTypeBuilder As TypeBuilder = myModuleBuilder.DefineType("MyClass", _
TypeAttributes.Public)
' Define a private String field named "MyField" in the type.
Dim myFieldBuilder As FieldBuilder = myTypeBuilder.DefineField("MyField", _
GetType(String), FieldAttributes.Private Or FieldAttributes.Static)
' Create the constructor.
Dim constructorArgs As Type() ={GetType(String)}
Dim myConstructor As ConstructorBuilder = _
myTypeBuilder.DefineConstructor(MethodAttributes.Public, _
CallingConventions.Standard, constructorArgs)
Dim constructorIL As ILGenerator = myConstructor.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, myFieldBuilder)
constructorIL.Emit(OpCodes.Ret)
' Create the MyMethod method.
Dim myMethodBuilder As MethodBuilder =myTypeBuilder.DefineMethod("MyMethod", _
MethodAttributes.Public, GetType(String), Nothing)
Dim methodIL As ILGenerator = myMethodBuilder.GetILGenerator()
methodIL.Emit(OpCodes.Ldarg_0)
methodIL.Emit(OpCodes.Ldfld, myFieldBuilder)
methodIL.Emit(OpCodes.Ret)
If myFieldBuilder.Attributes.Equals(FieldAttributes.Static) Then
Console.WriteLine("Field attribute defined as Static")
Else
If myFieldBuilder.Attributes.Equals(FieldAttributes.Static Or FieldAttributes.Private) Then
Console.WriteLine("Field attributes are Static and Private")
End If
End If
Console.WriteLine("ReflectedType of Field is: " & myFieldBuilder.ReflectedType.ToString())
Return myTypeBuilder.CreateType()
End Function 'CreateType
<PermissionSetAttribute(SecurityAction.Demand, Name:="FullTrust")> _
Public Shared Sub Main()
Dim myType As Type = CreateType(Thread.GetDomain())
' Create an instance of the "HelloWorld" class.
Dim helloWorld As Object = Activator.CreateInstance(myType, New Object() { "HelloWorld" })
' Invoke the "MyMethod" of the "MyClass".
Dim myObject As Object = myType.InvokeMember("MyMethod", _
BindingFlags.InvokeMethod, Nothing, helloWorld, Nothing)
Console.WriteLine("MyClass.MyMethod returned: """ & myObject & """")
End Sub
End Class