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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================================
**
**
**
** Purpose: Exception base class for all errors from Interop or Structured
** Exception Handling code.
**
**
=============================================================================*/
using System;
using System.Globalization;
using System.Runtime.Serialization;
namespace System.Runtime.InteropServices
{
// Base exception for COM Interop errors &; Structured Exception Handler
// exceptions.
//
[Serializable]
public class ExternalException : SystemException
{
public ExternalException()
: base(SR.Arg_ExternalException)
{
HResult = __HResults.E_FAIL;
}
public ExternalException(string message)
: base(message)
{
HResult = __HResults.E_FAIL;
}
public ExternalException(string message, Exception inner)
: base(message, inner)
{
HResult = __HResults.E_FAIL;
}
public ExternalException(string message, int errorCode)
: base(message)
{
HResult = errorCode;
}
protected ExternalException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
public virtual int ErrorCode
{
get
{
return HResult;
}
}
public override string ToString()
{
string message = Message;
string className = GetType().ToString();
string s = className + " (0x" + HResult.ToString("X8", CultureInfo.InvariantCulture) + ")";
if (!(String.IsNullOrEmpty(message)))
{
s = s + ": " + message;
}
Exception innerException = InnerException;
if (innerException != null)
{
s = s + " ---> " + innerException.ToString();
}
if (StackTrace != null)
s += Environment.NewLine + StackTrace;
return s;
}
}
}
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