本文整理汇总了VB.NET中System.Reflection.Emit.MethodBuilder.CreateMethodBody方法的典型用法代码示例。如果您正苦于以下问题:VB.NET MethodBuilder.CreateMethodBody方法的具体用法?VB.NET MethodBuilder.CreateMethodBody怎么用?VB.NET MethodBuilder.CreateMethodBody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.MethodBuilder
的用法示例。
在下文中一共展示了MethodBuilder.CreateMethodBody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: MethodBodyDemo
' 导入命名空间
Imports System.Threading
Imports System.Reflection
Imports System.Reflection.Emit
_
Class MethodBodyDemo
' This class will demonstrate how to create a method body using
' the MethodBuilder.CreateMethodBody(byte[], int) method.
Public Shared Function BuildDynType() As Type
Dim addType As Type = Nothing
Dim currentDom As AppDomain = Thread.GetDomain()
Dim myAsmName As New AssemblyName()
myAsmName.Name = "MyDynamicAssembly"
Dim myAsmBldr As AssemblyBuilder = currentDom.DefineDynamicAssembly(myAsmName, _
AssemblyBuilderAccess.RunAndSave)
' The dynamic assembly space has been created. Next, create a module
' within it. The type Point will be reflected into this module.
Dim myModuleBldr As ModuleBuilder = myAsmBldr.DefineDynamicModule("MyModule")
Dim myTypeBldr As TypeBuilder = myModuleBldr.DefineType("Adder")
Dim myMthdBldr As MethodBuilder = myTypeBldr.DefineMethod("DoAdd", _
MethodAttributes.Public Or MethodAttributes.Static, _
GetType(Integer), _
New Type() {GetType(Integer), GetType(Integer)})
' Build the array of Bytes holding the MSIL instructions.
Dim ILcodes() As Byte = {&H2, &H3, &H58, &H2A}
' 02h is the opcode for ldarg.0
' 03h is the opcode for ldarg.1
' 58h is the opcode for add
' 2Ah is the opcode for ret
myMthdBldr.CreateMethodBody(ILcodes, ILcodes.Length)
addType = myTypeBldr.CreateType()
Return addType
End Function 'BuildDynType
Public Shared Sub Main()
Dim myType As Type = BuildDynType()
Console.WriteLine("---")
Console.Write("Enter the first integer to add: ")
Dim aVal As Integer = Convert.ToInt32(Console.ReadLine())
Console.Write("Enter the second integer to add: ")
Dim bVal As Integer = Convert.ToInt32(Console.ReadLine())
Dim adderInst As Object = Activator.CreateInstance(myType, New Object() {})
Console.WriteLine("The value of adding {0} to {1} is: {2}.", _
aVal, bVal, _
myType.InvokeMember("DoAdd", _
BindingFlags.InvokeMethod, _
Nothing, _
adderInst, _
New Object() {aVal, bVal}))
End Sub
End Class