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//
// System.Reflection/EventInfo.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace System.Reflection {
#if NET_2_0
[ComVisible (true)]
[ComDefaultInterfaceAttribute (typeof (_EventInfo))]
[Serializable]
#endif
[ClassInterface(ClassInterfaceType.None)]
public abstract class EventInfo : MemberInfo, _EventInfo {
public abstract EventAttributes Attributes {get;}
public Type EventHandlerType {
get {
ParameterInfo[] p;
MethodInfo add = GetAddMethod (true);
p = add.GetParameters ();
if (p.Length > 0) {
Type t = p [0].ParameterType;
/* is it alwasys the first arg?
if (!t.IsSubclassOf (typeof (System.Delegate)))
throw new Exception ("no delegate in event");*/
return t;
} else
return null;
}
}
public bool IsMulticast {get {return true;}}
public bool IsSpecialName {get {return (Attributes & EventAttributes.SpecialName ) != 0;}}
public override MemberTypes MemberType {
get {return MemberTypes.Event;}
}
protected EventInfo() {
}
#if ONLY_1_1
public new Type GetType ()
{
return base.GetType ();
}
#endif
[DebuggerHidden]
[DebuggerStepThrough]
public void AddEventHandler (object target, Delegate handler)
{
MethodInfo add = GetAddMethod ();
if (add == null)
throw new Exception ("No add method!?");
add.Invoke (target, new object [] {handler});
}
public MethodInfo GetAddMethod() {
return GetAddMethod (false);
}
public abstract MethodInfo GetAddMethod(bool nonPublic);
public MethodInfo GetRaiseMethod() {
return GetRaiseMethod (false);
}
public abstract MethodInfo GetRaiseMethod( bool nonPublic);
public MethodInfo GetRemoveMethod() {
return GetRemoveMethod (false);
}
public abstract MethodInfo GetRemoveMethod( bool nonPublic);
#if NET_2_0
public virtual MethodInfo[] GetOtherMethods (bool nonPublic) {
// Shouldn't this be abstract, like the other methods ?
throw new NotImplementedException ();
}
public MethodInfo[] GetOtherMethods () {
return GetOtherMethods (false);
}
#endif
[DebuggerHidden]
[DebuggerStepThrough]
public void RemoveEventHandler (object target, Delegate handler)
{
MethodInfo remove = GetRemoveMethod ();
if (remove == null)
throw new Exception ("No remove method!?");
remove.Invoke (target, new object [] {handler});
}
void _EventInfo.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException ();
}
void _EventInfo.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException ();
}
void _EventInfo.GetTypeInfoCount (out uint pcTInfo)
{
throw new NotImplementedException ();
}
void _EventInfo.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException ();
}
}
}
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