本文整理汇总了C#中System.Reflection.Emit.FieldBuilder.SetMarshal方法的典型用法代码示例。如果您正苦于以下问题：C# FieldBuilder.SetMarshal方法的具体用法？C# FieldBuilder.SetMarshal怎么用？C# FieldBuilder.SetMarshal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.FieldBuilder的用法示例。
在下文中一共展示了FieldBuilder.SetMarshal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C#代码示例。
示例1: CreateType
//引入命名空间
using System;
using System.Runtime.InteropServices;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
using System.Security.Permissions;
using System.Runtime.CompilerServices;
public class FieldBuilder_Sample
{
public static Type CreateType(AppDomain currentDomain)
{
// Create an assembly.
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "DynamicAssembly";
AssemblyBuilder myAssembly =
currentDomain.DefineDynamicAssembly(myAssemblyName,AssemblyBuilderAccess.RunAndSave);
// Create a dynamic module in Dynamic Assembly.
ModuleBuilder myModuleBuilder=myAssembly.DefineDynamicModule("MyModule","MyModule.mod");
// Define a public class named "MyClass" in the assembly.
TypeBuilder myTypeBuilder= myModuleBuilder.DefineType("MyClass",TypeAttributes.Public);
TypeBuilder myTypeBuilder2 = myModuleBuilder.DefineType("MyClass2",
TypeAttributes.Public|TypeAttributes.BeforeFieldInit|TypeAttributes.SequentialLayout|TypeAttributes.AnsiClass|TypeAttributes.Sealed);
FieldBuilder myFieldBuilder1= myTypeBuilder2.DefineField("myBytes1",
typeof(byte),FieldAttributes.Public);
FieldBuilder myFieldBuilder2= myTypeBuilder2.DefineField("myBytes2",
typeof(byte),FieldAttributes.Public);
FieldBuilder myFieldBuilder3= myTypeBuilder2.DefineField("myErrorCode",
typeof(short),FieldAttributes.Public);
FieldBuilder myFieldBuilder4= myTypeBuilder2.DefineField("myReserved1",
typeof(short),FieldAttributes.Public);
FieldBuilder myFieldBuilder5= myTypeBuilder2.DefineField("myReserved2",
typeof(short),FieldAttributes.Public);
FieldBuilder myFieldBuilder6= myTypeBuilder2.DefineField("myPathName",
typeof(char[]),FieldAttributes.Public);
myFieldBuilder6.SetMarshal(UnmanagedMarshal.DefineByValArray(128));
myFieldBuilder6.SetOffset(4);
Type myType1 = myTypeBuilder2.CreateType();
// Create the PInvoke method for 'OpenFile' method of 'Kernel32.dll'.
Type[] myParameters={ typeof(string), myType1 ,typeof(uint)};
MethodBuilder myMethodBuilder= myTypeBuilder.DefinePInvokeMethod("OpenFile",
"kernel32.dll",MethodAttributes.Public|MethodAttributes.Static|MethodAttributes.HideBySig,
CallingConventions.Standard,typeof(IntPtr),
myParameters,CallingConvention.Winapi,CharSet.None);
Type myAttributeType = typeof(MethodImplAttribute);
ConstructorInfo myConstructorInfo =
myAttributeType.GetConstructor(new Type[1]{typeof(MethodImplOptions)});
CustomAttributeBuilder myAttributeBuilder = new CustomAttributeBuilder(myConstructorInfo,
new object[1]{MethodImplOptions.PreserveSig});
myMethodBuilder.SetCustomAttribute(myAttributeBuilder);
ParameterBuilder myParameterBuilder2=myMethodBuilder.DefineParameter(2,
ParameterAttributes.Out,"myClass2");
Type myType=myTypeBuilder.CreateType();
myAssembly.Save("EmittedAssembly.dll");
return myType;
}
[PermissionSetAttribute(SecurityAction.Demand, Name="FullTrust")]
public static void Main()
{
try
{
Type myType = CreateType(Thread.GetDomain());
Type myClass2 = myType.Module.GetType("MyClass2");
object myParam2 = Activator.CreateInstance(myClass2);
uint myUint=0x00000800;
object[] myArgs= {"MyFile.Txt",myParam2,myUint};
Object myObject = myType.InvokeMember("OpenFile",BindingFlags.Public |
BindingFlags.InvokeMethod | BindingFlags.Static,null,null,myArgs);
Console.WriteLine("MyClass.OpenFile method returned: \"{0}\"", myObject);
}
catch(Exception e)
{
Console.WriteLine("Exception Caught "+e.Message);
}
}
}