C# Label.Refresh方法代码示例

 public void SetLabel(Label label, string text)
 {
     if (label.InvokeRequired)
     {
         SetLabelCallback d = new SetLabelCallback(SetLabel);
         label.Invoke(d, new object[] { label, text });
     }
     else
     {
         label.Text = text;
         label.Refresh();
         Invalidate();
     }
 }

        private void pasteAnswer(DataGridView dgwMatrix, Label lbl, string path)
        {
            StreamReader sr = File.OpenText(path);
            int length = Convert.ToInt32(sr.ReadLine());

            for (int i = 0; i < length; i++)
            {
                dgwMatrix.Columns.Add(Convert.ToString(i), Convert.ToString(i));
                dgwMatrix.Columns[i].Width = (dgwMatrix.Width - 40) / length;
            }
            for (int i = 0; i < length; i++)
            {
                dgwMatrix.Rows.Add();
                dgwMatrix.Rows[i].Height = (dgwMatrix.Height - 35) / length;
            }

            for (int i = 0; i < length; i++)
                for (int j = 0; j < length; j++)
                    dgwMatrix.Rows[i].Cells[j].Value = sr.ReadLine();
            string answer = "Під час виконання алгоритму виконується " + sr.ReadLine() + " ітерацій. ";
            lbl.Text = answer;
            lbl.Refresh();
            sr.Close();
        }

 public static void SetTextWithErr(Label lblMsg, string Message, bool isErr)
 {
     if (lblMsg.InvokeRequired)
     {
         lblMsg.Invoke(new SetText4LableWithErr(SetTextWithErr), new object[] { lblMsg, Message, isErr });
     }
     else
     {
         if (isErr)
         {
             lblMsg.ForeColor = Color.Red;
         }
         else
         {
             lblMsg.ForeColor = Color.DarkBlue;
         }
         lblMsg.Text = Message;
         lblMsg.Refresh();
         Thread.Sleep(5);
     }
 }

        public void CreateLabel()
        {
            Label lbl = new Label();

            lbl.Parent = pnl;
            lbl.MouseDown += new MouseEventHandler(MouseDown);
            lbl.MouseMove += new MouseEventHandler(MouseMove);

            lbl.Text = "Label";
            lbl.ContextMenuStrip = pmElement;
            lbl.Refresh();

            TInterfaceElement item = new TInterfaceElement();
            item.border = lbl;
            item.ItemName = "Label";
            item.BackColor = VGA_COLOR.VGA_BLACK;
            item.FontColor = VGA_COLOR.VGA_WHITE;
            Boolean err = true;
            int i = 0;
            while (err)
                try
                {
                    listitem.Add(item.ItemName, item);
                    lbl.Tag = item.ItemName;
                    err = false;
                    AddItem(item);
                }
                catch (Exception ee)
                {
                    i++;
                    item.ItemName = "Label" + i.ToString();
                }
        }

 /// <summary>
 /// フィールド値凡例の更新
 /// </summary>
 /// <param name="legendPanel"></param>
 /// <param name="labelFreqValue"></param>
 public void UpdateFValueLegend(Panel legendPanel, Label labelFreqValue)
 {
     if (Math.Abs(WaveLength) < Constants.PrecisionLowerLimit)
     {
         labelFreqValue.Text = "---";
     }
     else
     {
         labelFreqValue.Text = string.Format("{0:F3}", GetNormalizedFrequency());
     }
     // BUGFIX [次の周波数][前の周波数]ボタンで周波数が遅れて表示される不具合を修正
     labelFreqValue.Refresh();
     legendPanel.Refresh();
 }

        public static void ShowEventStatus(Label lbl, string content)
        {
            try
            {
                if (lbl.InvokeRequired)
                {
                    lbl.Invoke(new SetText(ShowEventStatus), new object[] { lbl, content });
                }
                else
                {
                    lbl.Text = content;
                    lbl.Refresh();

                }
            }
            catch
            {
            }
        }

        private void UpdLabel1(Label label)
        {
            if (count_btn == 1)
            {
                label.Paint -= new PaintEventHandler(paint_InfoLine);
            }
            label.Refresh();

            label.Text = "";
            label.Height = 17;

            DateTime date = (DateTime)label.Parent.Tag;
            if (holidayList != null && holidayList.Count > 0)//判断是否节假日
            {
                foreach (Holiday a in holidayList)
                {
                    if (a.StartTime <= date.Date.Ticks && a.EndTime > date.Date.Ticks)
                    {
                        label.Text = a.Name;
                        return;
                    }
                }
            }

            if (workDayList != null && workDayList.Count > 0)//判断是不是补班
            {
                foreach (WorkDay a in workDayList)
                {
                    if (new DateTime (a.WorkDateTime).Date == date.Date)
                    {
                        label.Text ="补班";
                        return;
                    }
                }
            }
        }

        public void SetMessageText(string text)
        {
            try
            {
                Label lblActionResult = new System.Windows.Forms.Label();
                // 
                lblActionResult.AutoSize = true;
                lblActionResult.Location = new System.Drawing.Point(12, 283);
                lblActionResult.Name = "lblActionResult";
                lblActionResult.Size = new System.Drawing.Size(0, 13);
                lblActionResult.TabIndex = 0;
                lblActionResult.Visible = false;
                {

                    this.Invoke(new MethodInvoker(delegate()
                    {
                        lblActionResult.Text = text;
                        lblActionResult.Visible = true;
                        lblActionResult.Refresh();
                        lblActionResult.Update();
                        this.Refresh();
                        this.Update();
                    }));

                    this.Invoke(new MethodInvoker(delegate() { this.Controls.Add(lblActionResult); }));

                    Thread t = new Thread(delegate()
                        {
                            try
                            {
                                Thread.Sleep(5000);
                                this.Invoke(new MethodInvoker(delegate()
                                    {
                                        this.Controls.Remove(lblActionResult);
                                    }));
                            }
                            catch (Exception ex)
                            {
                                Tools.Instance.Logger.LogError(ex.ToString());
                            }
                        });
                    t.Start();
                }
            }
            catch (Exception ex)
            {
                Tools.Instance.Logger.LogError(ex.ToString());
            }
        }

        public void updateLabels(Label sensorFront, Label sensorLeft, Label sensorRight, List<Sensordata> list)
        {
            sensorFront.Text = list[0].frontValue.ToString();
            sensorLeft.Text = list[0].leftValue.ToString();
            sensorRight.Text = list[0].rightValue.ToString();

            sensorFront.Refresh();
            sensorLeft.Refresh();
            sensorRight.Refresh();
        }

        /// <summary>
        /// 显示进度
        /// </summary>
        /// <param name="_path"></param>
        /// <param name="message"></param>
        private void ViewTextMessage(string _path, string message)
        {
            foreach (Control c in panel1.Controls)
            {
                if (c is PictureBox && ((PictureBox)c).ImageLocation == _path)
                {
                    //找出对应的进度显示LABEL
                    Label _lab = new Label();
                    LinkLabel _linkLab = new LinkLabel();
                    string _name = "lab_Progress" + c.Name.Substring(c.Name.Length - 1);
                    string _linkName = "link_" + c.Name.Substring(c.Name.Length - 1);
                    foreach (Control x in panel1.Controls)
                    {
                        if (x.Name.Equals(_name))
                        {
                            _lab = (Label)x;
                        }
                        if (x.Name.Equals(_linkName))
                        {
                            _linkLab = (LinkLabel)x;
                        }
                    }

                    _lab.Text = message;
                    _lab.Visible = true;
                    _lab.Refresh();

                    _linkLab.Visible = false;
                    if (message.Contains("成功"))
                    {
                        if (ImgMangeWindowRefreshed != null)
                        {
                            ImgMangeWindowRefreshed(null, null);
                        }
                        ((PictureBox)c).ImageLocation = null;
                        ((PictureBox)c).Refresh();
                        _lab.Visible = false;
                    }
                    else if (message.Contains("已存在") || message.Contains("失败"))
                    {
                        _linkLab.Visible = true;
                    }
                    break;
                }
            }

            bool _isFinish = true;
            foreach (Control c in panel1.Controls)
            {
                if (c is Label && c.Name.Contains("Progress"))
                {
                    if (c.Visible && c.Text.Contains("进度"))
                    {
                        _isFinish = false;
                    }
                    if (message.Contains("已停止"))
                    {
                        c.Text = "已停止";
                    }
                }
            }
            if (_isFinish)
            {
                btn_Upload.Enabled = true;
            }
        }

        /// <summary>Creates a form containing editable data</summary>
        /// <param name="BindSrc">Binding source to use</param>
        /// <param name="ParentControl">Control where to add items. A new panel is created there.</param>
        /// <param name="MultiLineCols">Columns containig multiline data</param>
        /// <param name="MultiFieldCols">Columns containing multiple data such as more than 1 objective, etc.</param>
        /// <param name="ComboboxCols">Columns which should be combo boxes</param>
        /// <param name="ComboboxItems">Data to populate each combobox</param>
        public static void CreateForm(BindingSource BindSrc, Control ParentControl, List<string> MultiLineCols, 
            List<string> MultiFieldCols, List<string> ComboboxCols, List<List<string>> ComboboxItems)
        {
            //Creates a panel to hold everything
            Panel panel = new Panel();
            panel.Anchor = AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right;
            panel.Top = 0; panel.Left = 0;
            panel.Width = ParentControl.Width; panel.Height = ParentControl.Height;
            panel.AutoScroll = true;
            ParentControl.Controls.Add(panel);

            DataTable t = (DataTable)BindSrc.DataSource;

            int top = 10;
            int left = 40;
            foreach (DataColumn c in t.Columns)
            {
                if (c.ColumnName != "Count")
                {
                    Label lbl = new Label();
                    lbl.AutoSize = true;
                    lbl.Text = c.ColumnName;
                    lbl.Refresh();
                    lbl.Top = top + 3;
                    lbl.Left = left;

                    if (ComboboxCols != null && ComboboxCols.IndexOf(c.ColumnName) < 0)
                    {
                        TextBox txt = new TextBox();
                        txt.Top = top;
                        txt.Left = lbl.Left + lbl.Width + 220;
                        txt.Width = panel.Width / 2;
                        txt.DataBindings.Add("Text", BindSrc, c.ColumnName, false, DataSourceUpdateMode.OnPropertyChanged);
                        top = txt.Top + txt.Height + 10;

                        if (MultiLineCols.IndexOf(c.ColumnName) >= 0)
                        {
                            txt.Multiline = true;
                            txt.ScrollBars = ScrollBars.Vertical;
                            txt.Height = 120;
                            top = txt.Top + txt.Height + 10;
                        }
                        else if (MultiFieldCols.IndexOf(c.ColumnName) >= 0)
                        {
                            XMLFuncs.MultiField mf = new XMLFuncs.MultiField(txt, panel);
                            top = mf.GetNextTop() + 10;
                        }
                        panel.Controls.Add(txt);
                    }
                    else
                    {
                        //Combobox
                        ComboBox cmb = new ComboBox();
                        cmb.Top = top;
                        cmb.Left = lbl.Left + lbl.Width + 220;
                        cmb.Width = panel.Width / 2;
                        cmb.DataBindings.Add("Text", BindSrc, c.ColumnName, false, DataSourceUpdateMode.OnPropertyChanged);
                        top = cmb.Top + cmb.Height + 10;
                        //cmb.Font = new Font(cmb.Font.FontFamily, 10);
                        cmb.DropDownStyle = ComboBoxStyle.DropDownList;

                        foreach (string s in ComboboxItems[ComboboxCols.IndexOf(c.ColumnName)])
                            cmb.Items.Add(s);

                        panel.Controls.Add(cmb);
                    }

                    panel.Controls.Add(lbl);
                }
            }
        }

 public static void SetColorErrorMessage(Label label, string message)
 {
     label.Text = message;
     label.Refresh();
     label.ResetForeColor();
     label.BackColor = Color.White;
     label.ForeColor = Color.DarkRed;
 }

        internal void LoadFileList(string projectFileName, ImageList il, Label lbl)
        {
            ListFilename = projectFileName;
            System.IO.TextReader tr = new System.IO.StreamReader(projectFileName);
            string file = "";
            file = tr.ReadLine();
            while (file != null)
            {
                lbl.Text = "loading:" + file;
                lbl.Refresh();
                 AddImage(file, il);
                file = tr.ReadLine();

            }
            tr.Close();
        }

        //Method called every time a new numericUpDown (+ associated Label) has to be added to pnlPredInputs
        public void setInputNumUpDown(int count, Variable curVariable)
        {
            NumericUpDown curNum = new NumericUpDown();
            Label curLabel = new Label();
            if (count == 0)
            {
                curNum = numPredInput0;
                curNum.Visible = true;
                curLabel = lblPredInp0;
                curLabel.Visible = true;
            }
            else
            {
                //---- New numUpDown
                curNum.Name = "numPredInput" + count.ToString();
                curNum.TextAlign = numPredInput0.TextAlign;
                curNum.Width = numPredInput0.Width;
                curNum.Font = numPredInput0.Font;
                curNum.Cursor = numPredInput0.Cursor;
                curNum.ValueChanged += new System.EventHandler(numPredInput_ValueChanged);
                pnlPredInputs.Controls.Add(curNum);
                curNum.Location = new Point(numPredInput0.Location.X, numPredInput0.Location.Y + 50 * count);
                //-----

                //---- New Label
                curLabel.Name = "lblPredInp" + count.ToString();
                curLabel.Font = lblPredInp0.Font;
                curLabel.ForeColor = lblPredInp0.ForeColor;
                pnlPredInputs.Controls.Add(curLabel);
                curLabel.Location = new Point(lblPredInp0.Location.X, lblPredInp0.Location.Y + 50 * count);
                //----
            }

            curNum.Tag = curVariable;
            updateMinMaxInputNum(curNum);

            curLabel.Text = curVariable.input.displayedShortName + ":";
            curLabel.Refresh();
        }

        public void LoadElements(System.Xml.XmlReader ids)
        {
            TInterfaceElement ie = new TInterfaceElement();
            while (ids.Read())
                if (ids.IsStartElement())
                {
                    switch (ids.Name)
                    {
                        case "SCREEN_Width":
                            {
                                ids.Read();
                                Width = Convert.ToInt16(ids.Value);
                            }; break;
                        case "SCREEN_Height":
                            {
                                ids.Read();
                                Height = Convert.ToInt16(ids.Value);
                            }; break;
                        case "SCREEN_BackColor":
                            {
                                ids.Read();
                                BackColor = utftUtils.GetUTFTColor(ids.Value);
                            }; break;
                        case "SCREEN_FontColor":
                            {
                                ids.Read();
                                FontColor = utftUtils.GetUTFTColor(ids.Value);
                            }; break;
                        case "SCREEN_ABorderColor":
                            {
                                ids.Read();
                                ActiveBorderColor = utftUtils.GetUTFTColor(ids.Value);
                            }; break;
                        case "SCREEN_PBorderColor":
                            {
                                ids.Read();
                                PassiveBorderColor = utftUtils.GetUTFTColor(ids.Value);
                            }; break;
                        case "Desctop":
                            {
                                ids.Read();
                                Image = new System.Drawing.Bitmap(ids.Value);
                            };break;
                        case "Element":
                            ie = new TInterfaceElement();
                            break;
                        case "ItemType":
                            {
                                ids.Read();
                                switch (ids.Value)
                                {
                                    case "Border":
                                        {
                                            Button btn = new Button();

                                            btn.Parent = pnl;
                                            btn.MouseDown += new MouseEventHandler(MouseDown);
                                            btn.MouseMove += new MouseEventHandler(MouseMove);

                                            btn.ContextMenuStrip = pmElement;
                                            btn.Text = "Border";
                                            btn.Refresh();
                                            ie.border = btn;
                                        } break; // button
                                    case "2": break; // edit
                                    case "Label":
                                        {
                                            Label lbl = new Label();

                                            lbl.Parent = pnl;
                                            lbl.MouseDown += new MouseEventHandler(MouseDown);
                                            lbl.MouseMove += new MouseEventHandler(MouseMove);

                                            lbl.Text = "Label";
                                            lbl.ContextMenuStrip = pmElement;
                                            lbl.Refresh();
                                            ie.border = lbl;
                                        } break; // label
                                    case "4": break; // Checker
                                }
                            }
                            break;
                        case "ID": ids.Read(); ie.ID = Convert.ToByte(ids.Value); break;
                        case "ItemName": ids.Read(); ie.ItemName = ids.Value; listitem.Add(ie.ItemName, ie); AddItem(ie); break;
                        case "X": ids.Read(); ie.X = Convert.ToInt16(ids.Value); break;
                        case "Y": ids.Read(); ie.Y = Convert.ToInt16(ids.Value); break;
                        case "Width": ids.Read(); ie.width = Convert.ToInt16(ids.Value); break;
                        case "Height": ids.Read(); ie.heigth = Convert.ToInt16(ids.Value); break;
                        case "BackColor": ids.Read(); ie.BackColor = utftUtils.GetUTFTColor(ids.Value); break;
                        case "FontColor": ids.Read(); ie.FontColor = utftUtils.GetUTFTColor(ids.Value); break;
                        case "CanSelect": ids.Read(); ie.CanSelect = Convert.ToBoolean(ids.Value); break;
                        case "Text": ids.Read(); ie.Text = ids.Value; break;
                    }// ids.Name
                }//while
        }