34 lines
1.2 KiB
C#
34 lines
1.2 KiB
C#
using Modbus.Device;
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using System;
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using System.Net.Sockets;
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using System.Windows;
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namespace 自救器呼吸器综合检验仪.Data
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{
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public partial class BaseWindow : Window
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{
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// 共享资源（从管理器获取，不自己创建）
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protected TcpClient _tcpClient => ModbusResourceManager.Instance.TcpClient;
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protected IModbusMaster _modbusMaster => ModbusResourceManager.Instance.ModbusMaster;
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protected System.Timers.Timer _readTimer { get; set; } = new System.Timers.Timer();
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// 窗口关闭时仅停止定时器，不释放资源（资源由管理器统一释放）
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protected override void OnClosed(EventArgs e)
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{
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base.OnClosed(e);
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_readTimer?.Stop();
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_readTimer?.Dispose();
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}
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// 检查资源是否可用（避免空引用报错）
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protected bool CheckResourceAvailable()
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{
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if (_tcpClient == null || !_tcpClient.Connected || _modbusMaster == null)
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{
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MessageBox.Show("TCP连接已断开，请重新初始化连接！", "提示");
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return false;
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}
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return true;
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}
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}
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} |