banboshi_V2/halftoneproject-master/Code/UI/UICodeScanner.cs

using Advantech.Motion;
using Newtonsoft.Json;
using ProductionControl.Device;
using ProductionControl.UI.PropExtend;
using ProductionControl.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Linq;
using static ProductionControl.Device.Axis;
using static ProductionControl.UI.UIAxis;

namespace ProductionControl.UI
{
    public partial class UICodeScanner : UserControl
    {
        SynchronizationContext SyncContext = null;
         
        public Action<int, string> log;

        //
        public class CodeScannerProp
        { 
            [PropertyOrder(1), Browsable(true), Category("数据"), DisplayName("Code"), Description("Code"), ReadOnly(true), JsonIgnore]
            public string code { get; set; }
        }

        private CodeScannerProp prop = new CodeScannerProp();
        private CodeScanner dev; 
        public UICodeScanner()
        {
            InitializeComponent();
            //获取UI线程同步上下文
            SyncContext = SynchronizationContext.Current;
            //init();
        }
        public void init()
        {
            try
            {
                this.propertyGrid1.SelectedObject = prop;
                dev = new CodeScanner();
                dev.log = log;
                dev.start();  
                //IN
                dev.ScanerEvent += new System.Action<string>((data) => {
                    prop.code = data;
                    this.refreshUI();
                });
                
                //this.toolStrip1.Enabled = true;
                this.propertyGrid1.Enabled = true; 
            }
            catch (Exception ex)
            {
                //this.toolStrip1.Enabled = false;
                this.propertyGrid1.Enabled = false;
                //MessageBox.Show(ex.Message, "失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
                this.closeDev();
            }
        }
        private void refreshUI()
        {
            SyncContext.Post(m =>
            {
                var result = m as string;
                propertyGrid1.Refresh();
                //tbtnJogOnOff.Text = (prop.AxState == AxisState.STA_AX_EXT_JOG) ? "关闭Jog" : "开启Jog";
                //tbtnLeft.Enabled = tbtnRight.Enabled = (prop.AxState == AxisState.STA_AX_EXT_JOG);
            }, "异步操作完成结果");


        }
        
        private void closeDev()
        {
            try
            {
                if (dev == null) 
                    return;
                dev.stop();
            }
            catch (Exception ex)
            {
                //this.toolStrip1.Enabled = false;
                this.propertyGrid1.Enabled = false;
                MessageBox.Show(ex.Message, "失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        protected override void OnHandleDestroyed(EventArgs e)
        {
            base.OnHandleDestroyed(e);
            // 在此添加需要手动释放资源的代码
            this.closeDev();
        }
          
        private void propertyGrid1_PropertyValueChanged(object s, PropertyValueChangedEventArgs e)
        {
            //其中包含了两个重要的属性：OldValue和ChangeItem。
            //ChangeItem是“PropertyDescriptorGridEntry”类型。一般可以通过ChangeItem.PropertyDescriptor.ComponentType查找到属性的实际类型。 
            //而通过ChangeItem的Label，则可以查看到当前在属性编辑输入框中显示的值。  

            string className = e.ChangedItem.PropertyDescriptor.ComponentType.Name;
            string propertyName = e.ChangedItem.PropertyDescriptor.Name;
            var oldValue = e.OldValue;
            var newValue = e.ChangedItem.Value;
            switch (propertyName)
            {
                case "xxx":
                    //refreshAxisVelParam();
                    break;
            }

        }

    }
}