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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: EventBuilder
**
** <OWNER>Microsoft</OWNER>
**
**
** Eventbuilder is for client to define eevnts for a class
**
**
===========================================================*/
namespace System.Reflection.Emit {
using System;
using System.Reflection;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Diagnostics.Contracts;
//
// A EventBuilder is always associated with a TypeBuilder. The TypeBuilder.DefineEvent
// method will return a new EventBuilder to a client.
//
[HostProtection(MayLeakOnAbort = true)]
[ClassInterface(ClassInterfaceType.None)]
[ComDefaultInterface(typeof(_EventBuilder))]
[System.Runtime.InteropServices.ComVisible(true)]
public sealed class EventBuilder : _EventBuilder
{
// Make a private constructor so these cannot be constructed externally.
private EventBuilder() {}
// Constructs a EventBuilder.
//
internal EventBuilder(
ModuleBuilder mod, // the module containing this EventBuilder
String name, // Event name
EventAttributes attr, // event attribute such as Public, Private, and Protected defined above
//int eventType, // event type
TypeBuilder type, // containing type
EventToken evToken)
{
m_name = name;
m_module = mod;
m_attributes = attr;
m_evToken = evToken;
m_type = type;
}
// Return the Token for this event within the TypeBuilder that the
// event is defined within.
public EventToken GetEventToken()
{
return m_evToken;
}
[System.Security.SecurityCritical] // auto-generated
private void SetMethodSemantics(MethodBuilder mdBuilder, MethodSemanticsAttributes semantics)
{
if (mdBuilder == null)
{
throw new ArgumentNullException("mdBuilder");
}
Contract.EndContractBlock();
m_type.ThrowIfCreated();
TypeBuilder.DefineMethodSemantics(
m_module.GetNativeHandle(),
m_evToken.Token,
semantics,
mdBuilder.GetToken().Token);
}
[System.Security.SecuritySafeCritical] // auto-generated
public void SetAddOnMethod(MethodBuilder mdBuilder)
{
SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.AddOn);
}
[System.Security.SecuritySafeCritical] // auto-generated
public void SetRemoveOnMethod(MethodBuilder mdBuilder)
{
SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.RemoveOn);
}
[System.Security.SecuritySafeCritical] // auto-generated
public void SetRaiseMethod(MethodBuilder mdBuilder)
{
SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.Fire);
}
[System.Security.SecuritySafeCritical] // auto-generated
public void AddOtherMethod(MethodBuilder mdBuilder)
{
SetMethodSemantics(mdBuilder, MethodSemanticsAttributes.Other);
}
// Use this function if client decides to form the custom attribute blob themselves
#if FEATURE_CORECLR
[System.Security.SecurityCritical] // auto-generated
#else
[System.Security.SecuritySafeCritical]
#endif
[System.Runtime.InteropServices.ComVisible(true)]
public void SetCustomAttribute(ConstructorInfo con, byte[] binaryAttribute)
{
if (con == null)
throw new ArgumentNullException("con");
if (binaryAttribute == null)
throw new ArgumentNullException("binaryAttribute");
Contract.EndContractBlock();
m_type.ThrowIfCreated();
TypeBuilder.DefineCustomAttribute(
m_module,
m_evToken.Token,
m_module.GetConstructorToken(con).Token,
binaryAttribute,
false, false);
}
// Use this function if client wishes to build CustomAttribute using CustomAttributeBuilder
[System.Security.SecuritySafeCritical] // auto-generated
public void SetCustomAttribute(CustomAttributeBuilder customBuilder)
{
if (customBuilder == null)
{
throw new ArgumentNullException("customBuilder");
}
Contract.EndContractBlock();
m_type.ThrowIfCreated();
customBuilder.CreateCustomAttribute(m_module, m_evToken.Token);
}
#if !FEATURE_CORECLR
void _EventBuilder.GetTypeInfoCount(out uint pcTInfo)
{
throw new NotImplementedException();
}
void _EventBuilder.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException();
}
void _EventBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException();
}
void _EventBuilder.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException();
}
#endif
// These are package private so that TypeBuilder can access them.
private String m_name; // The name of the event
private EventToken m_evToken; // The token of this event
private ModuleBuilder m_module;
private EventAttributes m_attributes;
private TypeBuilder m_type;
}
}
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