本文整理匯總了C#中System.Reflection.Emit.TypeBuilder.DefineUninitializedData方法的典型用法代碼示例。如果您正苦於以下問題：C# TypeBuilder.DefineUninitializedData方法的具體用法？C# TypeBuilder.DefineUninitializedData怎麽用？C# TypeBuilder.DefineUninitializedData使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Reflection.Emit.TypeBuilder的用法示例。
在下文中一共展示了TypeBuilder.DefineUninitializedData方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Main
//引入命名空間
using System;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.InteropServices;
using System.Security.Permissions;
public sealed class Example
{
[PermissionSetAttribute(SecurityAction.Demand, Name="FullTrust")]
public static void Main()
{
Type myHelloWorldType = CreateCallee(Thread.GetDomain());
object myHelloWorldInstance =
Activator.CreateInstance(myHelloWorldType);
FieldInfo myGreetingFieldInfo =
myHelloWorldType.GetField("MyGreeting");
object oval = Activator.CreateInstance(myGreetingFieldInfo.FieldType);
IntPtr myIntPtr = Marshal.AllocHGlobal(4);
Random rand = new Random();
int iTempSeed = rand.Next();
byte[] bINITBYTE = GetRandBytes( iTempSeed, 4);
IntPtr intptrTemp = myIntPtr;
for ( int j = 0; j < 4; j++ )
{
Marshal.WriteByte( myIntPtr, bINITBYTE[j]);
myIntPtr = (IntPtr)((int)myIntPtr + 1);
}
myIntPtr = intptrTemp;
Object oValNew = Marshal.PtrToStructure( myIntPtr, myGreetingFieldInfo.FieldType);
Marshal.FreeHGlobal( myIntPtr );
myIntPtr = Marshal.AllocHGlobal(4);
object myObj = myGreetingFieldInfo.GetValue(myHelloWorldInstance);
Marshal.StructureToPtr(myObj, myIntPtr, true);
intptrTemp = myIntPtr;
Console.WriteLine("The value of 'MyGreeting' field : ");
for ( int j = 0; j < 4; j++ )
{
Marshal.WriteByte( myIntPtr, bINITBYTE[j]);
Console.WriteLine(bINITBYTE[j]);
myIntPtr = (IntPtr)((int)myIntPtr + 1);
}
}
private static byte[] GetRandBytes( int iRandSeed, int iSize )
{
byte[] barr = new byte[iSize];
Random randTemp = new Random( iRandSeed );
randTemp.NextBytes( barr );
return barr;
}
// Create the callee transient dynamic assembly.
private static Type CreateCallee(AppDomain myDomain)
{
// Create a simple name for the callee assembly.
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "EmittedClass";
// Create the callee dynamic assembly.
AssemblyBuilder myAssembly =
myDomain.DefineDynamicAssembly(myAssemblyName,AssemblyBuilderAccess.Run);
// Create a dynamic module in the callee assembly.
ModuleBuilder myModule =
myAssembly.DefineDynamicModule("EmittedModule");
// Define a public class named "MyHelloWorld"
TypeBuilder myHelloWorldType =
myModule.DefineType("MyHelloWorld", TypeAttributes.Public);
// Define a 'MyGreeting' field and initialize it.
FieldBuilder myFieldBuilder =
myHelloWorldType.DefineUninitializedData("MyGreeting",4,FieldAttributes.Public);
// Create the 'MyHelloWorld' class.
return(myHelloWorldType.CreateType());
}
private Example() {}
}