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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** ValueType: StreamingContext
**
**
** Purpose: A value type indicating the source or destination of our streaming.
**
**
===========================================================*/
namespace System.Runtime.Serialization {
using System.Runtime.Remoting;
using System;
[Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public readonly struct StreamingContext {
internal readonly Object m_additionalContext;
internal readonly StreamingContextStates m_state;
public StreamingContext(StreamingContextStates state)
: this (state, null) {
}
public StreamingContext(StreamingContextStates state, Object additional) {
m_state = state;
m_additionalContext = additional;
}
public Object Context {
get { return m_additionalContext; }
}
public override bool Equals(Object obj) {
if (!(obj is StreamingContext)) {
return false;
}
if (((StreamingContext)obj).m_additionalContext == m_additionalContext &&
((StreamingContext)obj).m_state == m_state) {
return true;
}
return false;
}
public override int GetHashCode() {
return (int)m_state;
}
public StreamingContextStates State {
get { return m_state; }
}
}
// **********************************************************
// Keep these in sync with the version in vm\runtimehandles.h
// **********************************************************
[Serializable]
[Flags]
[System.Runtime.InteropServices.ComVisible(true)]
public enum StreamingContextStates {
CrossProcess=0x01,
CrossMachine=0x02,
File =0x04,
Persistence =0x08,
Remoting =0x10,
Other =0x20,
Clone =0x40,
CrossAppDomain =0x80,
All =0xFF,
}
}
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