參考文章《C# 線程更新UI界面》

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主窗口

public frmMain(){InitializeComponent();}/// <summary>/// 主窗口加載事件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void frmMain_Load(object sender, EventArgs e){try{//設置默認狀態mc_MachineStatusHander = new Common.MachineStatusHandler(); mc_MachineStatusHander.mc_MachineProduceStatusHandler.UpdateMachineSignalDelegate += UpdateMachineSignalStatus;//后臺線程中指定委托為更新界面方法 mc_MachineStatusHander.ChangeStatus("Online", "運行", "WesChen", "001A");SettingLight();}catch (Exception ex){ShowErrorMessage(ex.Message, "系統初始化");this.Close();}}

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界面更新主方法

/// <summary>/// 獲取機器信號，并更新界面/// </summary>/// <param name="singnal">機器信號</param>delegate void UpdateMachineProduceSignalDelegate(Common.MachineProduceStatusHandler.SignalType singnal);private void UpdateMachineSignalStatus(Common.MachineProduceStatusHandler.SignalType signal){if (InvokeRequired){this.Invoke(new UpdateMachineProduceSignalDelegate(delegate (Common.MachineProduceStatusHandler.SignalType s){if (signal.ToString().IndexOf("X01") != -1){btn_SignalX01.BackColor= System.Drawing.Color.FromArgb(255, 255, 255);btn_SignalX01.ForeColor = System.Drawing.Color.FromArgb(0, 0, 0);}else{btn_SignalX01.BackColor = System.Drawing.Color.FromArgb(38, 45, 58);btn_SignalX01.ForeColor = System.Drawing.Color.FromArgb(255, 255, 255);} lab_ProductCount.Text = "累計生產數量：" + mc_MachineStatusHander.mc_MachineProduceStatusHandler.ProductCount;lab_LastLifeCycleTime.Text = "最后一次生產用時：" + Common.CommonFunction.FormatMilliseconds(mc_MachineStatusHander.mc_MachineProduceStatusHandler.LastProductUseMilliseconds);}), signal);}else{if (signal.ToString().IndexOf("X01") != -1){btn_SignalX01.BackColor = System.Drawing.Color.FromArgb(255, 255, 255);btn_SignalX01.ForeColor = System.Drawing.Color.FromArgb(0, 0, 0);}else{btn_SignalX01.BackColor = System.Drawing.Color.FromArgb(38, 45, 58);btn_SignalX01.ForeColor = System.Drawing.Color.FromArgb(255, 255, 255);} lab_ProductCount.Text = "累計生產數量：" + mc_MachineStatusHander.mc_MachineProduceStatusHandler.ProductCount;lab_LastLifeCycleTime.Text = "最后一次生產用時：" + Common.CommonFunction.FormatMilliseconds(mc_MachineStatusHander.mc_MachineProduceStatusHandler.LastProductUseMilliseconds);}}

后臺線程

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks;using System.Text.RegularExpressions; using System.Diagnostics;namespace MES_MonitoringClient.Common {/// <summary>/// 機器生產狀態/// </summary>public class MachineProduceStatusHandler{/// <summary>/// 信號類型/// </summary>public enum SignalType{Unknow,X01,X02,X03,X01_X02,X01_X03,X02_X03,X01_X02_X03}/// <summary>/// 回復信號前綴/// </summary>private static string singnalDefaultStart = Common.ConfigFileHandler.GetAppConfig("GetSerialPortDataDefaultSignal_StartPrefix");/// <summary>/// 回復信號后綴/// </summary>private static string singnalDefaultEnd = Common.ConfigFileHandler.GetAppConfig("GetSerialPortDataDefaultSignal_EndPrefix");/*-------------------------------------------------------------------------------------*//// <summary>/// 產品生命周期（計算時間）/// </summary>//private List<MachineProcedure> _MachineProcedureListForTime=null;/// <summary>/// 產品生命周期（計算次數）/// </summary>private List<MachineProcedure> _MachineProcedureListForCount=null;/// <summary>/// 產品周期計數（生產數量）/// </summary>public int ProductCount = 0;/// <summary>/// 空產品周期計數（不完整[空啤]生產數量）/// </summary>public int ProductErrorCount = 0;/// <summary>/// 單次產品周期秒數/// </summary>public long LastProductUseMilliseconds = 0;/// <summary>/// /// </summary>public Nullable<DateTime> LastX03SignalGetTime = null;/// <summary>/// 上一個信號/// </summary>public SignalType LastSignal;/// <summary>/// 更新機器信號后更新界面的方法與委托/// </summary>/// <param name="signalType"></param>public delegate void UpdateMachineSignal(SignalType signalType);public UpdateMachineSignal UpdateMachineSignalDelegate;/*-------------------------------------------------------------------------------------*//// <summary>/// 構造函數，處理初始化的參數/// </summary>public MachineProduceStatusHandler(){//產品生命周期（計算時間）//_MachineProcedureListForTime = new List<MachineProcedure>();//產品生命周期（計算次數）_MachineProcedureListForCount = new List<MachineProcedure>();}/*-------------------------------------------------------------------------------------*//// <summary>/// 更新信號方法/// </summary>/// <param name="newSingnal">新信號</param>public void ChangeSignal(string newSingnal){string convertSingnalString = ConvertSingnalString(newSingnal);//判斷是正常的信號if (!string.IsNullOrEmpty(convertSingnalString)){//判斷X信號SignalType convertSingnalStatusType = ConvertSingnalStatus(convertSingnalString);if (convertSingnalStatusType != LastSignal){#region 與上一次信號不同if (convertSingnalStatusType == SignalType.X03){#region 自動信號（區分上一個信號）_MachineProcedureListForCount.Add(new MachineProcedure(){ProcedureID = convertSingnalString,ProcedureCode = convertSingnalStatusType.ToString(),ProcedureName = "自動",});if (LastSignal == SignalType.X01_X03){//結束產品周期并計時if (LastX03SignalGetTime.HasValue){LastProductUseMilliseconds = (System.DateTime.Now - LastX03SignalGetTime.Value).Milliseconds;}LastX03SignalGetTime = System.DateTime.Now;}else if (LastSignal == SignalType.X02_X03){//必須包含完整的生命周期才計數if (CheckHaveRealProduceProcess(_MachineProcedureListForCount)){//計數ProductCount++;_MachineProcedureListForCount.Clear();_MachineProcedureListForCount.Add(new MachineProcedure(){ProcedureID = convertSingnalString,ProcedureCode = convertSingnalStatusType.ToString(),ProcedureName = "自動",});}}#endregion}else if (convertSingnalStatusType == SignalType.X01_X03 || convertSingnalStatusType == SignalType.X02_X03){#region 開模完成==射膠完成（不區分上一個信號）//產品生命周期（計算數量）if (_MachineProcedureListForCount != null && _MachineProcedureListForCount.Count > 0){//信號string procedureNameString = string.Empty;if (convertSingnalStatusType == SignalType.X01_X03) procedureNameString = "開模完成";else if (convertSingnalStatusType == SignalType.X02_X03) procedureNameString = "自動射膠";_MachineProcedureListForCount.Add(new MachineProcedure(){ProcedureID = convertSingnalString,ProcedureCode = convertSingnalStatusType.ToString(),ProcedureName = procedureNameString,});}#endregion}#endregion//上一個信號LastSignal = convertSingnalStatusType;//根據信號更新界面 UpdateMachineSignalDelegate(LastSignal);}}}/// <summary>/// 匹配信號是否正常/// 并返回信號中的模式數字/// </summary>/// <param name="inputSingnal">原信號</param>/// <returns></returns>private string ConvertSingnalString(string inputSingnal){Regex regex = new Regex("^" + singnalDefaultStart + "[a-fA-F0-9]{4}" + singnalDefaultEnd + "$");Match match = regex.Match(inputSingnal);if (match.Success){Regex regexMiddle = new Regex("(?<=(" + singnalDefaultStart + "))[.\\s\\S]*?(?=(" + singnalDefaultEnd + "))", RegexOptions.Multiline | RegexOptions.Singleline);Match matchMiddle = regexMiddle.Match(inputSingnal);return matchMiddle.Value;}else{return null;}}/// <summary>/// 模式數字轉換為X[]信號/// </summary>/// <param name="inputSingnal">模式數字[0800,0400,0200,0C00,0A00,0600,0E00等模式數字]</param>/// <returns></returns>private SignalType ConvertSingnalStatus(string inputSingnal){if (inputSingnal == "0800") return SignalType.X01; //開模終止信號else if (inputSingnal == "0400") return SignalType.X02;//射膠信號else if (inputSingnal == "0200") return SignalType.X03;//自動運行模式信號else if (inputSingnal == "0C00") return SignalType.X01_X02;else if (inputSingnal == "0A00") return SignalType.X01_X03;else if (inputSingnal == "0600") return SignalType.X02_X03;else if (inputSingnal == "0E00") return SignalType.X01_X02_X03;else return SignalType.Unknow;}/// <summary>/// 判斷是否是真實的生產流程/// </summary>/// <param name="oldMachineProcedureList"></param>/// <returns></returns>private bool CheckHaveRealProduceProcess(List<MachineProcedure> oldMachineProcedureList){bool resultFlag = false;bool isX01_X03 = false;bool isX02_X03 = false;bool isX03 = false;//判斷是否有完整的信號foreach (var processItem in oldMachineProcedureList){if (processItem.ProcedureCode == SignalType.X01_X03.ToString()) isX01_X03 = true;if (processItem.ProcedureCode == SignalType.X02_X03.ToString()) isX02_X03 = true;if (processItem.ProcedureCode == SignalType.X03.ToString()) isX03 = true;}//完整的信號則算正常生產流程if (isX01_X03 && isX02_X03 && isX03) resultFlag = true;return resultFlag;}} }

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?以上方法是可以正常從類內部更新winform界面的

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轉載于:https://www.cnblogs.com/weschen/p/10183685.html

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