/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System; using Microsoft;
#if !SILVERLIGHT // ComObject
#if CODEPLEX_40
using System.Linq.Expressions;
using System.Dynamic;
#else
using Microsoft.Linq.Expressions;
using Microsoft.Scripting;
#endif
using System.Globalization;
#if CODEPLEX_40
namespace System.Dynamic{
#else
namespace Microsoft.Scripting {
#endif
/// <summary>
/// This represents a bound dispmember on a IDispatch object.
/// </summary>
internal sealed class DispCallable : IDynamicMetaObjectProvider {
private readonly IDispatchComObject _dispatch;
private readonly string _memberName;
private readonly int _dispId;
internal DispCallable(IDispatchComObject dispatch, string memberName, int dispId) {
_dispatch = dispatch;
_memberName = memberName;
_dispId = dispId;
}
public override string ToString() {
return String.Format(CultureInfo.CurrentCulture, "<bound dispmethod {0}>", _memberName);
}
public IDispatchComObject DispatchComObject {
get { return _dispatch; }
}
public IDispatch DispatchObject {
get { return _dispatch.DispatchObject; }
}
public string MemberName {
get { return _memberName; }
}
public int DispId {
get { return _dispId; }
}
public DynamicMetaObject GetMetaObject(Expression parameter) {
return new DispCallableMetaObject(parameter, this);
}
public override bool Equals(object obj) {
var other = obj as DispCallable;
return other != null && other._dispatch == _dispatch && other._dispId == _dispId;
}
public override int GetHashCode() {
return _dispatch.GetHashCode() ^ _dispId;
}
}
}
#endif
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