546 lines
25 KiB
C#
546 lines
25 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.SqlClient;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Globalization;
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using System.Linq;
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using System.Windows.Forms;
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using MesWork;
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namespace MesWork.Pages
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{
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/// <summary>
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/// 称重分析页面：查询称重记录，查看曲线点位和最终重量取值依据。
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/// </summary>
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public class UC_WeighingAnalysis : UserControl
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{
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private readonly Panel pnl_QueryBar = new Panel();
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private readonly DateTimePicker dtp_Start = new DateTimePicker();
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private readonly DateTimePicker dtp_End = new DateTimePicker();
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private readonly TextBox txt_ProductNo = new TextBox();
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private readonly TextBox txt_ModelNo = new TextBox();
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private readonly TextBox txt_OrderNo = new TextBox();
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private readonly Button btn_Query = new Button();
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private readonly SplitContainer split_Main = new SplitContainer();
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private readonly Panel pnl_Chart = new Panel();
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private readonly Panel pnl_Info = new Panel();
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private readonly DataGridView dgv_Data = new DataGridView();
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private readonly Label lbl_Title = new Label();
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private readonly Label lbl_FinalWeight = new Label();
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private readonly Label lbl_Window = new Label();
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private readonly Label lbl_Method = new Label();
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private readonly Label lbl_Product = new Label();
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private readonly Label lbl_Sample = new Label();
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private readonly Label lbl_Status = new Label();
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private readonly ToolTip tip_Point = new ToolTip();
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private readonly List<decimal> _points = new List<decimal>();
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private PointF[] _chartPoints = new PointF[0];
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private int _finalStartSeq;
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private int _finalEndSeq;
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private decimal? _finalWeight;
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private int _sampleIntervalMs;
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private int _lastTipSeq;
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private static readonly Color ClrPrimary = Color.FromArgb(74, 144, 217);
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private static readonly Color ClrPrimaryDark = Color.FromArgb(30, 58, 95);
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private static readonly Color ClrAccent = Color.FromArgb(245, 158, 11);
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private static readonly Color ClrGood = Color.FromArgb(5, 150, 105);
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private static readonly Color ClrGrid = Color.FromArgb(229, 231, 235);
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private static readonly Color ClrText = Color.FromArgb(55, 65, 81);
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private static readonly Color ClrMuted = Color.FromArgb(107, 114, 128);
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public UC_WeighingAnalysis()
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{
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InitializeLayout();
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InitGrid();
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dtp_Start.Value = DateTime.Today.AddDays(-30);
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dtp_End.Value = DateTime.Today;
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SetHint(txt_ProductNo, "产品编号...");
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SetHint(txt_ModelNo, "机型号...");
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SetHint(txt_OrderNo, "工单号...");
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pnl_Chart.Paint += pnl_Chart_Paint;
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pnl_Chart.Resize += (s, e) => pnl_Chart.Invalidate();
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pnl_Chart.MouseMove += pnl_Chart_MouseMove;
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pnl_Chart.MouseLeave += (s, e) => HidePointTip();
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}
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private void InitializeLayout()
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{
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BackColor = Color.FromArgb(245, 247, 250);
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Dock = DockStyle.Fill;
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pnl_QueryBar.BackColor = Color.White;
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pnl_QueryBar.Dock = DockStyle.Top;
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pnl_QueryBar.Height = 56;
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pnl_QueryBar.Padding = new Padding(16, 0, 16, 0);
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Controls.Add(split_Main);
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Controls.Add(pnl_QueryBar);
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AddQueryLabel("从", 16);
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InitDatePicker(dtp_Start, 40);
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AddQueryLabel("到", 180);
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InitDatePicker(dtp_End, 204);
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InitTextBox(txt_ProductNo, 365, 150);
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InitTextBox(txt_ModelNo, 525, 130);
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InitTextBox(txt_OrderNo, 665, 150);
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InitButton();
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split_Main.Dock = DockStyle.Fill;
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split_Main.Orientation = Orientation.Horizontal;
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split_Main.SplitterDistance = 430;
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split_Main.SplitterWidth = 6;
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split_Main.Panel1.Padding = new Padding(12, 8, 12, 4);
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split_Main.Panel2.Padding = new Padding(12, 4, 12, 12);
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split_Main.Panel1.Controls.Add(pnl_Chart);
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split_Main.Panel1.Controls.Add(pnl_Info);
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split_Main.Panel2.Controls.Add(dgv_Data);
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pnl_Info.BackColor = Color.FromArgb(248, 250, 252);
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pnl_Info.Dock = DockStyle.Right;
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pnl_Info.Width = 340;
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pnl_Info.Padding = new Padding(20, 12, 20, 12);
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pnl_Info.Controls.Add(lbl_Status);
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pnl_Info.Controls.Add(lbl_Sample);
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pnl_Info.Controls.Add(lbl_Product);
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pnl_Info.Controls.Add(lbl_Method);
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pnl_Info.Controls.Add(lbl_Window);
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pnl_Info.Controls.Add(lbl_FinalWeight);
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InitInfoLabel(lbl_FinalWeight, 18, FontStyle.Bold, ClrGood, 18);
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InitInfoLabel(lbl_Window, 11, FontStyle.Bold, ClrPrimaryDark, 78);
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InitInfoLabel(lbl_Method, 10, FontStyle.Regular, ClrText, 124);
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InitInfoLabel(lbl_Product, 10, FontStyle.Regular, ClrText, 210);
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InitInfoLabel(lbl_Sample, 10, FontStyle.Regular, ClrText, 246);
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InitInfoLabel(lbl_Status, 10, FontStyle.Regular, ClrMuted, 282);
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pnl_Chart.BackColor = Color.White;
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pnl_Chart.Dock = DockStyle.Fill;
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pnl_Chart.Padding = new Padding(18, 8, 18, 8);
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pnl_Chart.Controls.Add(lbl_Title);
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lbl_Title.Dock = DockStyle.Top;
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lbl_Title.Height = 34;
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lbl_Title.Font = new Font("微软雅黑", 12F, FontStyle.Bold);
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lbl_Title.ForeColor = ClrPrimaryDark;
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lbl_Title.Text = "称重曲线与最终取值依据";
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lbl_Title.TextAlign = ContentAlignment.MiddleLeft;
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}
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private void AddQueryLabel(string text, int x)
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{
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var label = new Label
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{
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AutoSize = true,
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Font = new Font("微软雅黑", 10F),
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ForeColor = ClrText,
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Location = new Point(x, 18),
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Text = text
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};
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pnl_QueryBar.Controls.Add(label);
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}
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private void InitDatePicker(DateTimePicker picker, int x)
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{
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picker.Font = new Font("微软雅黑", 10F);
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picker.Format = DateTimePickerFormat.Short;
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picker.Location = new Point(x, 13);
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picker.Size = new Size(130, 25);
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pnl_QueryBar.Controls.Add(picker);
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}
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private void InitTextBox(TextBox textBox, int x, int width)
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{
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textBox.BorderStyle = BorderStyle.FixedSingle;
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textBox.Font = new Font("微软雅黑", 10F);
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textBox.Location = new Point(x, 13);
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textBox.Size = new Size(width, 27);
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pnl_QueryBar.Controls.Add(textBox);
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}
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private void InitButton()
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{
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btn_Query.BackColor = ClrPrimary;
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btn_Query.Cursor = Cursors.Hand;
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btn_Query.FlatAppearance.BorderSize = 0;
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btn_Query.FlatStyle = FlatStyle.Flat;
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btn_Query.Font = new Font("微软雅黑", 10F, FontStyle.Bold);
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btn_Query.ForeColor = Color.White;
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btn_Query.Location = new Point(830, 12);
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btn_Query.Size = new Size(110, 30);
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btn_Query.Text = "查询分析";
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btn_Query.UseVisualStyleBackColor = false;
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btn_Query.Click += btn_Query_Click;
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pnl_QueryBar.Controls.Add(btn_Query);
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}
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private void InitInfoLabel(Label label, float fontSize, FontStyle style, Color color, int y)
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{
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label.Font = new Font("微软雅黑", fontSize, style);
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label.ForeColor = color;
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label.Location = new Point(20, y);
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label.Size = new Size(300, y == 124 ? 72 : 32);
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label.TextAlign = ContentAlignment.MiddleLeft;
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}
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private void InitGrid()
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{
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dgv_Data.AllowUserToAddRows = false;
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dgv_Data.AllowUserToDeleteRows = false;
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dgv_Data.AllowUserToResizeRows = false;
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dgv_Data.AutoGenerateColumns = false;
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dgv_Data.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
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dgv_Data.BackgroundColor = Color.White;
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dgv_Data.BorderStyle = BorderStyle.None;
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dgv_Data.CellBorderStyle = DataGridViewCellBorderStyle.SingleHorizontal;
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dgv_Data.ColumnHeadersHeight = 40;
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dgv_Data.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing;
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dgv_Data.ColumnHeadersDefaultCellStyle.BackColor = Color.FromArgb(232, 237, 242);
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dgv_Data.ColumnHeadersDefaultCellStyle.ForeColor = ClrPrimaryDark;
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dgv_Data.ColumnHeadersDefaultCellStyle.Font = new Font("微软雅黑", 10F, FontStyle.Bold);
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dgv_Data.DefaultCellStyle.Font = new Font("微软雅黑", 10F);
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dgv_Data.DefaultCellStyle.ForeColor = Color.FromArgb(31, 41, 55);
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dgv_Data.DefaultCellStyle.SelectionBackColor = Color.FromArgb(219, 234, 254);
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dgv_Data.DefaultCellStyle.SelectionForeColor = ClrPrimaryDark;
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dgv_Data.DefaultCellStyle.Padding = new Padding(6, 0, 6, 0);
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dgv_Data.AlternatingRowsDefaultCellStyle.BackColor = Color.FromArgb(248, 250, 252);
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dgv_Data.Dock = DockStyle.Fill;
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dgv_Data.EnableHeadersVisualStyles = false;
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dgv_Data.GridColor = ClrGrid;
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dgv_Data.MultiSelect = false;
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dgv_Data.ReadOnly = true;
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dgv_Data.RowHeadersVisible = false;
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dgv_Data.RowTemplate.Height = 36;
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dgv_Data.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
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dgv_Data.SelectionChanged += dgv_Data_SelectionChanged;
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "检测时间", DataPropertyName = "测试时间", FillWeight = 95 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "产品编号", DataPropertyName = "发动机号", FillWeight = 110 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "工单号", DataPropertyName = "订单号", FillWeight = 95 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "机型号", DataPropertyName = "机型号", FillWeight = 65 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "称重类型", DataPropertyName = "称重类型", FillWeight = 70 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "工位号", DataPropertyName = "设备编号", FillWeight = 60 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "最终重量", DataPropertyName = "最终重量", FillWeight = 70, DefaultCellStyle = new DataGridViewCellStyle { Format = "F3" } });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "取点区间", DataPropertyName = "取点区间", FillWeight = 70 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "采样点数", DataPropertyName = "采样点数", FillWeight = 60 });
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dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { HeaderText = "操作员", DataPropertyName = "操作员", FillWeight = 60 });
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}
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private void SetHint(TextBox txt, string hint)
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{
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txt.Tag = hint;
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txt.Text = hint;
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txt.ForeColor = Color.FromArgb(156, 163, 175);
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txt.GotFocus += (s, e) => { if (txt.Text == hint) { txt.Text = ""; txt.ForeColor = ClrPrimaryDark; } };
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txt.LostFocus += (s, e) => { if (string.IsNullOrWhiteSpace(txt.Text)) { txt.Text = hint; txt.ForeColor = Color.FromArgb(156, 163, 175); } };
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}
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private string GetHintValue(TextBox txt)
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{
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return txt.Text == txt.Tag?.ToString() ? "" : txt.Text.Trim();
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}
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private void btn_Query_Click(object sender, EventArgs e)
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{
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QueryData();
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}
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private void QueryData()
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{
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try
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{
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var parms = new SqlParameter[]
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{
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new SqlParameter("@发动机号", GetHintValue(txt_ProductNo)),
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new SqlParameter("@机型号", GetHintValue(txt_ModelNo)),
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new SqlParameter("@工单号", GetHintValue(txt_OrderNo)),
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new SqlParameter("@开始时间", dtp_Start.Value.ToString("yyyy-MM-dd")),
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new SqlParameter("@结束时间", dtp_End.Value.AddDays(1).ToString("yyyy-MM-dd"))
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};
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SqlOperation.ExecuteStoredProcedure("称重分析_查询", parms, out DataTable dt, out string err);
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if (!string.IsNullOrWhiteSpace(err))
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throw new Exception(err);
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dgv_Data.DataSource = dt;
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if (dt == null || dt.Rows.Count == 0)
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{
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ClearCurve("查询范围内无曲线数据");
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MessageBox.Show("查询范围内无称重曲线记录", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show($"查询失败：{ex.Message}", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void dgv_Data_SelectionChanged(object sender, EventArgs e)
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{
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if (dgv_Data.CurrentRow?.DataBoundItem is DataRowView rowView)
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{
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LoadCurve(rowView.Row);
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}
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}
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private void LoadCurve(DataRow row)
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{
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_points.Clear();
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HidePointTip();
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string pointValues = row.Table.Columns.Contains("点位值") ? row["点位值"]?.ToString() : "";
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foreach (string item in (pointValues ?? "").Split('|'))
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{
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if (decimal.TryParse(item, NumberStyles.Number, CultureInfo.InvariantCulture, out decimal value))
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_points.Add(value);
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}
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_finalStartSeq = ToInt(row, "最终取点开始序号");
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_finalEndSeq = ToInt(row, "最终取点结束序号");
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_sampleIntervalMs = ToInt(row, "采样间隔ms");
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_finalWeight = ToNullableDecimal(row, "最终重量");
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string productNo = GetText(row, "发动机号");
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string stationNo = GetText(row, "设备编号");
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lbl_FinalWeight.Text = _finalWeight.HasValue ? $"最终重量 {_finalWeight.Value:F3} kg" : "最终重量 —";
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lbl_Window.Text = _finalStartSeq > 0 && _finalEndSeq > 0
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? $"依据点位 第 {_finalStartSeq} - {_finalEndSeq} 点"
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: "依据点位 未记录";
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lbl_Method.Text = "计算方式 取连续20点中极差最小的一段，去掉一个最大值和一个最小值，剩余18点求平均。";
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lbl_Product.Text = $"产品编号 {productNo}";
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lbl_Sample.Text = $"工位号 {stationNo} 采样点数 {_points.Count} 间隔 {_sampleIntervalMs}ms";
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lbl_Status.Text = _points.Count > 0 ? "曲线状态 已加载，可追溯最终取值区间" : "曲线状态 无点位数据";
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pnl_Chart.Invalidate();
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}
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private void ClearCurve(string msg)
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{
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_points.Clear();
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HidePointTip();
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_finalWeight = null;
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_finalStartSeq = 0;
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_finalEndSeq = 0;
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lbl_FinalWeight.Text = "最终重量 —";
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lbl_Window.Text = "依据点位 —";
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lbl_Method.Text = "计算方式 —";
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lbl_Product.Text = "";
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lbl_Sample.Text = "";
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lbl_Status.Text = msg;
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pnl_Chart.Invalidate();
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}
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private int ToInt(DataRow row, string column)
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{
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if (!row.Table.Columns.Contains(column) || row[column] == DBNull.Value) return 0;
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int.TryParse(row[column].ToString(), out int value);
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return value;
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}
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private decimal? ToNullableDecimal(DataRow row, string column)
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{
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if (!row.Table.Columns.Contains(column) || row[column] == DBNull.Value) return null;
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return decimal.TryParse(row[column].ToString(), out decimal value) ? value : (decimal?)null;
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}
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private string GetText(DataRow row, string column)
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{
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return row.Table.Columns.Contains(column) && row[column] != DBNull.Value ? row[column].ToString() : "";
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}
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private void pnl_Chart_Paint(object sender, PaintEventArgs e)
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{
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Graphics g = e.Graphics;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
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Rectangle rect = pnl_Chart.ClientRectangle;
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using (var bg = new SolidBrush(Color.White))
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g.FillRectangle(bg, rect);
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int padL = 70, padR = 36, padT = 54, padB = 54;
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int chartW = rect.Width - padL - padR;
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int chartH = rect.Height - padT - padB;
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if (chartW < 80 || chartH < 80) return;
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if (_points.Count == 0)
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{
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_chartPoints = new PointF[0];
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DrawCenterText(g, rect, "选择一条称重记录后显示曲线");
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return;
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}
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decimal minDec = _points.Min();
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decimal maxDec = _points.Max();
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double minVal = (double)minDec;
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double maxVal = (double)maxDec;
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double range = maxVal - minVal;
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if (range < 0.001) range = Math.Max(Math.Abs(maxVal) * 0.1, 1);
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minVal -= range * 0.15;
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maxVal += range * 0.15;
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DrawGrid(g, padL, padT, chartW, chartH, minVal, maxVal);
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_chartPoints = BuildPointLocations(padL, padT, chartW, chartH, minVal, maxVal);
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DrawHighlightWindow(g, _chartPoints, padT, chartH);
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DrawCurve(g, _chartPoints);
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DrawPoints(g, _chartPoints);
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DrawFinalLine(g, padL, padT, chartW, chartH, minVal, maxVal);
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}
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private void DrawGrid(Graphics g, int padL, int padT, int chartW, int chartH, double minVal, double maxVal)
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{
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using (var axisPen = new Pen(Color.FromArgb(200, 210, 220), 1))
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using (var gridPen = new Pen(ClrGrid, 1) { DashStyle = DashStyle.Dot })
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using (var font = new Font("微软雅黑", 9F))
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using (var brush = new SolidBrush(ClrMuted))
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{
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g.DrawLine(axisPen, padL, padT, padL, padT + chartH);
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g.DrawLine(axisPen, padL, padT + chartH, padL + chartW, padT + chartH);
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for (int i = 0; i <= 5; i++)
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{
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int y = padT + chartH - (int)(chartH * i / 5.0);
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if (i > 0) g.DrawLine(gridPen, padL + 1, y, padL + chartW, y);
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string text = (minVal + (maxVal - minVal) * i / 5.0).ToString("F2");
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SizeF size = g.MeasureString(text, font);
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g.DrawString(text, font, brush, padL - size.Width - 6, y - size.Height / 2);
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}
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}
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}
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private PointF[] BuildPointLocations(int padL, int padT, int chartW, int chartH, double minVal, double maxVal)
|
||
{
|
||
var points = new PointF[_points.Count];
|
||
for (int i = 0; i < _points.Count; i++)
|
||
{
|
||
float x = _points.Count == 1 ? padL + chartW / 2f : padL + chartW * i / (float)(_points.Count - 1);
|
||
float y = padT + chartH - (float)(chartH * (((double)_points[i] - minVal) / (maxVal - minVal)));
|
||
points[i] = new PointF(x, y);
|
||
}
|
||
return points;
|
||
}
|
||
|
||
private void DrawHighlightWindow(Graphics g, PointF[] points, int padT, int chartH)
|
||
{
|
||
if (_finalStartSeq <= 0 || _finalEndSeq <= 0 || _finalStartSeq > points.Length) return;
|
||
int startIndex = Math.Max(0, _finalStartSeq - 1);
|
||
int endIndex = Math.Min(points.Length - 1, _finalEndSeq - 1);
|
||
float x1 = points[startIndex].X;
|
||
float x2 = points[endIndex].X;
|
||
using (var brush = new SolidBrush(Color.FromArgb(46, 245, 158, 11)))
|
||
g.FillRectangle(brush, x1, padT, Math.Max(2, x2 - x1), chartH);
|
||
using (var pen = new Pen(ClrAccent, 1.6f) { DashStyle = DashStyle.Dash })
|
||
{
|
||
g.DrawLine(pen, x1, padT, x1, padT + chartH);
|
||
g.DrawLine(pen, x2, padT, x2, padT + chartH);
|
||
}
|
||
}
|
||
|
||
private void DrawCurve(Graphics g, PointF[] points)
|
||
{
|
||
if (points.Length < 2) return;
|
||
using (var shadow = new Pen(Color.FromArgb(34, 74, 144, 217), 5f) { LineJoin = LineJoin.Round })
|
||
using (var line = new Pen(ClrPrimary, 2.2f) { LineJoin = LineJoin.Round })
|
||
{
|
||
g.DrawLines(shadow, points);
|
||
g.DrawLines(line, points);
|
||
}
|
||
}
|
||
|
||
private void DrawPoints(Graphics g, PointF[] points)
|
||
{
|
||
int step = Math.Max(1, points.Length / 120);
|
||
for (int i = 0; i < points.Length; i += step)
|
||
{
|
||
Brush brush = IsInFinalWindow(i + 1) ? new SolidBrush(ClrAccent) : new SolidBrush(ClrPrimary);
|
||
using (brush)
|
||
g.FillEllipse(brush, points[i].X - 3, points[i].Y - 3, 6, 6);
|
||
}
|
||
}
|
||
|
||
private void DrawFinalLine(Graphics g, int padL, int padT, int chartW, int chartH, double minVal, double maxVal)
|
||
{
|
||
if (!_finalWeight.HasValue) return;
|
||
float y = padT + chartH - (float)(chartH * (((double)_finalWeight.Value - minVal) / (maxVal - minVal)));
|
||
if (y < padT || y > padT + chartH) return;
|
||
using (var pen = new Pen(ClrGood, 1.8f) { DashStyle = DashStyle.Dash })
|
||
using (var font = new Font("微软雅黑", 9F, FontStyle.Bold))
|
||
using (var brush = new SolidBrush(ClrGood))
|
||
{
|
||
g.DrawLine(pen, padL, y, padL + chartW, y);
|
||
string text = $"最终 {_finalWeight.Value:F3} kg";
|
||
SizeF size = g.MeasureString(text, font);
|
||
g.DrawString(text, font, brush, padL + chartW - size.Width - 4, y - size.Height - 4);
|
||
}
|
||
}
|
||
|
||
private bool IsInFinalWindow(int seq)
|
||
{
|
||
return _finalStartSeq > 0 && _finalEndSeq > 0 && seq >= _finalStartSeq && seq <= _finalEndSeq;
|
||
}
|
||
|
||
private void pnl_Chart_MouseMove(object sender, MouseEventArgs e)
|
||
{
|
||
int index = FindNearestPointIndex(e.Location);
|
||
if (index < 0)
|
||
{
|
||
HidePointTip();
|
||
return;
|
||
}
|
||
|
||
int seq = index + 1;
|
||
if (seq == _lastTipSeq) return;
|
||
|
||
_lastTipSeq = seq;
|
||
string finalText = IsInFinalWindow(seq) ? "\r\n取值依据：最终采用区间内" : "";
|
||
string tipText = $"第 {seq} 点\r\n重量：{_points[index]:F3} kg\r\n时间：{FormatElapsedTime(seq)}{finalText}";
|
||
tip_Point.Show(tipText, pnl_Chart, e.Location.X + 16, e.Location.Y + 16, 3000);
|
||
}
|
||
|
||
private int FindNearestPointIndex(Point mouse)
|
||
{
|
||
if (_chartPoints.Length == 0 || _points.Count == 0) return -1;
|
||
|
||
int nearestIndex = -1;
|
||
double nearestDistance = double.MaxValue;
|
||
for (int i = 0; i < _chartPoints.Length; i++)
|
||
{
|
||
double dx = _chartPoints[i].X - mouse.X;
|
||
double dy = _chartPoints[i].Y - mouse.Y;
|
||
double distance = dx * dx + dy * dy;
|
||
if (distance < nearestDistance)
|
||
{
|
||
nearestDistance = distance;
|
||
nearestIndex = i;
|
||
}
|
||
}
|
||
|
||
return nearestDistance <= 144 ? nearestIndex : -1; // 鼠标离点 12px 内才显示，避免误触。
|
||
}
|
||
|
||
private string FormatElapsedTime(int seq)
|
||
{
|
||
int interval = _sampleIntervalMs > 0 ? _sampleIntervalMs : 200;
|
||
int totalMs = Math.Max(0, seq - 1) * interval; // 第1点按采集起点0ms估算。
|
||
int seconds = totalMs / 1000;
|
||
int milliseconds = totalMs % 1000;
|
||
return $"{seconds}秒{milliseconds:D3}毫秒";
|
||
}
|
||
|
||
private void HidePointTip()
|
||
{
|
||
_lastTipSeq = 0;
|
||
tip_Point.Hide(pnl_Chart);
|
||
}
|
||
|
||
private void DrawCenterText(Graphics g, Rectangle rect, string text)
|
||
{
|
||
using (var font = new Font("微软雅黑", 14F))
|
||
using (var brush = new SolidBrush(Color.FromArgb(156, 163, 175)))
|
||
{
|
||
SizeF size = g.MeasureString(text, font);
|
||
g.DrawString(text, font, brush, (rect.Width - size.Width) / 2, (rect.Height - size.Height) / 2);
|
||
}
|
||
}
|
||
}
|
||
}
|