46 lines
1.6 KiB
C#
46 lines
1.6 KiB
C#
using System;
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namespace ZB.MOM.WW.LmxProxy.Host.Domain
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{
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/// <summary>
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/// Event arguments for SCADA client connection state changes.
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/// </summary>
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public class ConnectionStateChangedEventArgs : EventArgs
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="ConnectionStateChangedEventArgs" /> class.
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/// </summary>
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/// <param name="previousState">The previous connection state.</param>
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/// <param name="currentState">The current connection state.</param>
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/// <param name="message">Optional message providing additional information about the state change.</param>
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public ConnectionStateChangedEventArgs(ConnectionState previousState, ConnectionState currentState,
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string? message = null)
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{
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PreviousState = previousState;
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CurrentState = currentState;
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Timestamp = DateTime.UtcNow;
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Message = message;
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}
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/// <summary>
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/// Gets the previous connection state.
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/// </summary>
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public ConnectionState PreviousState { get; }
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/// <summary>
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/// Gets the current connection state.
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/// </summary>
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public ConnectionState CurrentState { get; }
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/// <summary>
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/// Gets the timestamp when the state change occurred.
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/// </summary>
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public DateTime Timestamp { get; }
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/// <summary>
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/// Gets additional information about the state change, such as error messages.
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/// </summary>
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public string? Message { get; }
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}
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}
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