using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using Infragistics.Win.UltraWinEditors; using Common; namespace MeterModuleLibrary { public partial class ucStorageWeightKg : UserControl { public ucStorageWeightKg() { InitializeComponent(); } #region 线程中赋值的控件需使用委托 private delegate void UpdateUIEventHander(object sender, UpdateUIArgs args); //自定义事件用来从线程中更新控件的值 public class UpdateUIArgs : EventArgs { public string textValue { get; private set; } public UpdateUIArgs(string textValue) { this.textValue = textValue; } } private void UpdateUI_Method(object sender, UpdateUIArgs args) { if (sender is UltraTextEditor) { if (args.textValue == "" || args.textValue == null) { ((UltraTextEditor)sender).Text = "0"; } else { ((UltraTextEditor)sender).Text = args.textValue; } } else if (sender is Button) { if (args.textValue == "red") { ((Button)sender).BackColor = Color.Red; ((Button)sender).ForeColor = Color.White; } else if (args.textValue == "green") { ((Button)sender).BackColor = Color.White; ((Button)sender).ForeColor = Color.Black; } else { ((Label)sender).Text = args.textValue; } } else if (sender is PictureBox) { if (args.textValue == "red") { ((PictureBox)sender).Load(PbCache.path + "\\image\\icon\\red.gif"); } else { ((PictureBox)sender).Load(PbCache.path + "\\image\\icon\\green.gif"); } } } /// /// 记录当前的颜色,在线程中窑调用下面的setControl方法前 /// 可先判断当前的颜色与显示颜色是否一致 /// 若一致则可不调用setControl,不一致再调用 /// public bool isGreen = true; /// /// 重量稳定 /// /// public void setStable(bool bGreen) { //if (!PbCache.isLockWgt) { isGreen = bGreen; string sValue = isGreen ? "green" : "red"; picStable.Invoke(new UpdateUIEventHander(UpdateUI_Method), picStable, new UpdateUIArgs(sValue)); btnStable.Invoke(new UpdateUIEventHander(UpdateUI_Method), btnStable, new UpdateUIArgs(sValue)); } } public double getWgt() { if (txtWeight.Text.Trim() != "") { return Math.Round(Convert.ToDouble(txtWeight.Text.Trim()), 1); } else { return 0; } } /// /// 实时写入重量 /// PbCache.isLockWgt 重量未锁定则可写入,否则调用了也不会写入 /// /// 重量信息 public void setWgt(double db) { //if (!PbCache.isLockWgt) { txtWeight.Invoke(new UpdateUIEventHander(UpdateUI_Method), txtWeight, new UpdateUIArgs(Math.Round(db, 1) + "")); } } #endregion } }