c#后台线程更新界面

参考文章《C# 线程更新UI界面》

主窗口

        public frmMain(){InitializeComponent();}/// <summary>/// 主窗口加载事件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void frmMain_Load(object sender, EventArgs e){try{//设置默认状态mc_MachineStatusHander = new Common.MachineStatusHandler();                mc_MachineStatusHander.mc_MachineProduceStatusHandler.UpdateMachineSignalDelegate += UpdateMachineSignalStatus;//后台线程中指定委托为更新界面方法
mc_MachineStatusHander.ChangeStatus("Online", "运行", "WesChen", "001A");SettingLight();}catch (Exception ex){ShowErrorMessage(ex.Message, "系统初始化");this.Close();}}

界面更新主方法

        /// <summary>/// 获取机器信号，并更新界面/// </summary>/// <param name="singnal">机器信号</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 = "累计生产数量：" + mc_MachineStatusHander.mc_MachineProduceStatusHandler.ProductCount;lab_LastLifeCycleTime.Text = "最后一次生产用时：" + 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 = "累计生产数量：" + mc_MachineStatusHander.mc_MachineProduceStatusHandler.ProductCount;lab_LastLifeCycleTime.Text = "最后一次生产用时：" + Common.CommonFunction.FormatMilliseconds(mc_MachineStatusHander.mc_MachineProduceStatusHandler.LastProductUseMilliseconds);}}

后台线程

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>/// 机器生产状态/// </summary>public class MachineProduceStatusHandler{/// <summary>/// 信号类型/// </summary>public enum SignalType{Unknow,X01,X02,X03,X01_X02,X01_X03,X02_X03,X01_X02_X03}/// <summary>/// 回复信号前缀/// </summary>private static string singnalDefaultStart = Common.ConfigFileHandler.GetAppConfig("GetSerialPortDataDefaultSignal_StartPrefix");/// <summary>/// 回复信号后缀/// </summary>private static string singnalDefaultEnd = Common.ConfigFileHandler.GetAppConfig("GetSerialPortDataDefaultSignal_EndPrefix");/*-------------------------------------------------------------------------------------*//// <summary>/// 产品生命周期（计算时间）/// </summary>//private List<MachineProcedure> _MachineProcedureListForTime=null;/// <summary>/// 产品生命周期（计算次数）/// </summary>private List<MachineProcedure> _MachineProcedureListForCount=null;/// <summary>/// 产品周期计数（生产数量）/// </summary>public int ProductCount = 0;/// <summary>/// 空产品周期计数（不完整[空啤]生产数量）/// </summary>public int ProductErrorCount = 0;/// <summary>/// 单次产品周期秒数/// </summary>public long LastProductUseMilliseconds = 0;/// <summary>/// /// </summary>public Nullable<DateTime> LastX03SignalGetTime = null;/// <summary>/// 上一个信号/// </summary>public SignalType LastSignal;/// <summary>/// 更新机器信号后更新界面的方法与委托/// </summary>/// <param name="signalType"></param>public delegate void UpdateMachineSignal(SignalType signalType);public UpdateMachineSignal UpdateMachineSignalDelegate;/*-------------------------------------------------------------------------------------*//// <summary>/// 构造函数，处理初始化的参数/// </summary>public MachineProduceStatusHandler(){//产品生命周期（计算时间）//_MachineProcedureListForTime = new List<MachineProcedure>();//产品生命周期（计算次数）_MachineProcedureListForCount = new List<MachineProcedure>();}/*-------------------------------------------------------------------------------------*//// <summary>/// 更新信号方法/// </summary>/// <param name="newSingnal">新信号</param>public void ChangeSignal(string newSingnal){string convertSingnalString = ConvertSingnalString(newSingnal);//判断是正常的信号if (!string.IsNullOrEmpty(convertSingnalString)){//判断X信号SignalType convertSingnalStatusType = ConvertSingnalStatus(convertSingnalString);if (convertSingnalStatusType != LastSignal){#region 与上一次信号不同if (convertSingnalStatusType == SignalType.X03){#region 自动信号（区分上一个信号）_MachineProcedureListForCount.Add(new MachineProcedure(){ProcedureID = convertSingnalString,ProcedureCode = convertSingnalStatusType.ToString(),ProcedureName = "自动",});if (LastSignal == SignalType.X01_X03){//结束产品周期并计时if (LastX03SignalGetTime.HasValue){LastProductUseMilliseconds = (System.DateTime.Now - LastX03SignalGetTime.Value).Milliseconds;}LastX03SignalGetTime = System.DateTime.Now;}else if (LastSignal == SignalType.X02_X03){//必须包含完整的生命周期才计数if (CheckHaveRealProduceProcess(_MachineProcedureListForCount)){//计数ProductCount++;_MachineProcedureListForCount.Clear();_MachineProcedureListForCount.Add(new MachineProcedure(){ProcedureID = convertSingnalString,ProcedureCode = convertSingnalStatusType.ToString(),ProcedureName = "自动",});}}#endregion}else if (convertSingnalStatusType == SignalType.X01_X03 || convertSingnalStatusType == SignalType.X02_X03){#region 开模完成==射胶完成（不区分上一个信号）//产品生命周期（计算数量）if (_MachineProcedureListForCount != null && _MachineProcedureListForCount.Count > 0){//信号string procedureNameString = string.Empty;if (convertSingnalStatusType == SignalType.X01_X03) procedureNameString = "开模完成";else if (convertSingnalStatusType == SignalType.X02_X03) procedureNameString = "自动射胶";_MachineProcedureListForCount.Add(new MachineProcedure(){ProcedureID = convertSingnalString,ProcedureCode = convertSingnalStatusType.ToString(),ProcedureName = procedureNameString,});}#endregion}#endregion//上一个信号LastSignal = convertSingnalStatusType;//根据信号更新界面
                    UpdateMachineSignalDelegate(LastSignal);}}}/// <summary>/// 匹配信号是否正常/// 并返回信号中的模式数字/// </summary>/// <param name="inputSingnal">原信号</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>/// 模式数字转换为X[]信号/// </summary>/// <param name="inputSingnal">模式数字[0800,0400,0200,0C00,0A00,0600,0E00等模式数字]</param>/// <returns></returns>private SignalType ConvertSingnalStatus(string inputSingnal){if (inputSingnal == "0800") return SignalType.X01; //开模终止信号else if (inputSingnal == "0400") return SignalType.X02;//射胶信号else if (inputSingnal == "0200") return SignalType.X03;//自动运行模式信号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>/// 判断是否是真实的生产流程/// </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;//判断是否有完整的信号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;}//完整的信号则算正常生产流程if (isX01_X03 && isX02_X03 && isX03) resultFlag = true;return resultFlag;}}
}

以上方法是可以正常从类内部更新winform界面的

转载于:https://www.cnblogs.com/weschen/p/10183685.html

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