using LB_VisionControls;
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using LB_VisionProcesses.BarcodeReaders;
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using LB_VisionProcesses.BarcodeReaders.Huayray;
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using System;
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using System.Collections.Concurrent;
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using System.Windows.Forms;
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namespace LB_SmartVision.Forms.Pages.BarcodeReaderPage
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{
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public partial class BarcodeReadersEditPage : UserControl
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{
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public Action<string, LogInfoType> LogInfo;
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public BarcodeReadersEditPage()
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{
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InitializeComponent();
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Name = "BarcodeReadersEditPage";
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Text = "读码器设置";
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}
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private void BarcodeReadersEditPage_Paint(object sender, PaintEventArgs e)
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{
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uiFlowLayoutPanel1.Controls.Clear();
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if (GlobalVar.dicBarcodeReaders.Count <= 0)
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return;
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foreach (var item in GlobalVar.dicBarcodeReaders)
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{
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string ReaderSN = item.Key;
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string ReaderBrand = item.Value.Brand.ToString();
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if (string.IsNullOrEmpty(ReaderSN) || string.IsNullOrEmpty(ReaderBrand))
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continue;
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UserItem flow = new UserItem(new string[] { "测试", "刷新", "移除" });
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flow.Name = ReaderSN;
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flow.Text = $"[{ReaderBrand}] {ReaderSN}";
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if (item.Value.IsConnected)
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flow.state = State.Pass;
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else
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flow.state = State.Error;
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LoadFlowEvent(flow);
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uiFlowLayoutPanel1.Controls.Add(flow);
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}
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}
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private void uiButton1_Click(object sender, System.EventArgs e)
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{
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CreateBarcodeReaderForm createForm = new CreateBarcodeReaderForm();
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createForm.ShowDialog();
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if (createForm.bCreate)
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{
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BarcodeReaderBase reader = createForm.barcodeReader;
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if (GlobalVar.dicBarcodeReaders.ContainsKey(reader.SN))
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{
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MessageBox.Show($"读码器[{reader.SN}]已存在!", "异常");
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return;
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}
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string ReaderSN = reader.SN;
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string ReaderBrand = reader.Brand.ToString();
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if (string.IsNullOrEmpty(ReaderSN) || string.IsNullOrEmpty(ReaderBrand))
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return;
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GlobalVar.dicBarcodeReaders.TryAdd(ReaderSN, reader);
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LogInfo?.Invoke(string.Format("添加读码器[{0}][{1}]成功", ReaderBrand, ReaderSN), LogInfoType.PASS);
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}
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this.Invalidate();
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}
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private void uiButton2_Click(object sender, System.EventArgs e)
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{
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//清除用Clear方法
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uiFlowLayoutPanel1.Controls.Clear();
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foreach (var reader in GlobalVar.dicBarcodeReaders.Values)
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{
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reader.Dispose();
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}
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GlobalVar.dicBarcodeReaders.Clear();
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}
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private void LoadFlowEvent(UserItem flow)
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{
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//按键1为测试
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flow.MenuItem1ClickedEvent += TestEvent;
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//按键2为刷新
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flow.MenuItem2ClickedEvent += ReconnectEvent;
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//按键3为移除
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flow.MenuItem3ClickedEvent += DeleteEvent;
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}
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private void RemoveFlowEvent(UserItem flow)
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{
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//按键1为测试
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flow.MenuItem1ClickedEvent -= TestEvent;
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//按键2为刷新
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flow.MenuItem2ClickedEvent -= ReconnectEvent;
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//按键3为移除
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flow.MenuItem3ClickedEvent -= DeleteEvent;
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}
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// 测试读码器
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private void TestEvent(string Name, string Text)
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{
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for (int i = 0; i < uiFlowLayoutPanel1.Controls.Count; i++)
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{
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UserItem flow = (UserItem)uiFlowLayoutPanel1.Controls[i];
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string name = flow.Name;
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if (name != Name)
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continue;
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if (GlobalVar.dicBarcodeReaders.ContainsKey(name))
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{
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BarcodeReaderForm readerForm = new BarcodeReaderForm(GlobalVar.dicBarcodeReaders[name]);
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readerForm.Show();
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}
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}
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}
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// 移除读码器
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private void DeleteEvent(string Name, string Text)
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{
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for (int i = 0; i < uiFlowLayoutPanel1.Controls.Count; i++)
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{
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UserItem flow = (UserItem)uiFlowLayoutPanel1.Controls[i];
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string name = flow.Name;
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if (name != Name)
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continue;
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RemoveFlowEvent(flow);
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uiFlowLayoutPanel1.Controls.Remove(uiFlowLayoutPanel1.Controls[i]);
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if (GlobalVar.dicBarcodeReaders.TryRemove(name, out BarcodeReaderBase barcodeReader))
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{
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barcodeReader.Dispose();
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LogInfo?.Invoke(string.Format("移除读码器[{0}]", name), LogInfoType.INFO);
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}
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else
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LogInfo?.Invoke(string.Format("移除读码器[{0}]失败", name), LogInfoType.ERROR);
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}
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}
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// 重连读码器
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private void ReconnectEvent(string Name, string Text)
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{
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for (int i = 0; i < uiFlowLayoutPanel1.Controls.Count; i++)
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{
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UserItem flow = (UserItem)uiFlowLayoutPanel1.Controls[i];
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string name = flow.Name;
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if (name != Name)
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continue;
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if (!GlobalVar.dicBarcodeReaders.ContainsKey(name))
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{
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LogInfo?.Invoke(string.Format("读码器[{0}]不存在", name), LogInfoType.ERROR);
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flow.state = State.Error;
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flow.Refresh();
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return;
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}
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var reader = GlobalVar.dicBarcodeReaders[name];
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if (reader == null)
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{
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LogInfo?.Invoke(string.Format("读码器[{0}]实例为空", name), LogInfoType.ERROR);
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flow.state = State.Error;
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flow.Refresh();
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return;
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}
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try
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{
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// 先释放旧实例的资源
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reader.Dispose();
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// 添加短暂延迟，确保SDK底层资源完全释放
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System.Threading.Thread.Sleep(500);
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// 强制垃圾回收，确保相机对象被完全释放
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GC.Collect();
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GC.WaitForPendingFinalizers();
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GC.Collect();
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// 从字典中移除旧实例
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GlobalVar.dicBarcodeReaders.TryRemove(name, out _);
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// 创建新实例
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BarcodeReaderBase newReader = null;
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switch (reader.Brand)
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{
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case BarcodeReaderBrand.Huayray:
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newReader = new HRBarcodeReader();
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break;
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default:
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throw new Exception($"不支持的读码器品牌: {reader.Brand}");
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}
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if (newReader.Open(name))
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{
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// 添加到字典
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GlobalVar.dicBarcodeReaders.TryAdd(name, newReader);
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flow.state = State.Pass;
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LogInfo?.Invoke(string.Format("重连读码器[{0}]成功", name), LogInfoType.PASS);
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}
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else
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{
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flow.state = State.Error;
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LogInfo?.Invoke(string.Format("读码器[{0}]重新创建后仍连接失败", name), LogInfoType.ERROR);
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}
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}
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catch (Exception ex)
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{
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flow.state = State.Error;
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LogInfo?.Invoke(string.Format("重连读码器[{0}]异常: {1}", name, ex.Message), LogInfoType.ERROR);
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}
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flow.Refresh();
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}
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}
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}
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}
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