c# - 点网珍珠项目数据可视化工具包捕捉chartControl的画布（plotArea）

public class ScrollableColumnSeries : ColumnSeries { private Panel plotArea; public override void OnApplyTemplate() { base.OnApplyTemplate(); plotArea = GetTemplateChild(DataPointSeries.PlotAreaName) as Panel; } }

/// <summary> /// Interaktionslogik für ChartControl.xaml /// </summary> public partial class ChartControl : UserControl { private DateTime dateTime; private DispatcherTimer timer; private bool isMouseLeftMode = true; private bool isMouseDragMode = false; private bool isMouseWheelMode = false; private bool mouseHand; private bool mouseCapture; private double gapMulti = 0.75; private static ChartLine lineBoard; private ChartViewModel dataSource; private KeyValuePair<DateTime, double> point50; private double position; private Point mousePoint; private Point testpunkt; public ChartViewModel DataSource { get => dataSource; set => dataSource.Set(dataSourceContext); } private ObservableCollection<KeyValuePair<DateTime, double>>[] dataSourceContext; public ObservableCollection<KeyValuePair<DateTime, double>>[] DataSourceContext { get => dataSource.Get(); set => dataSourceContext = value; } public ChartLine LineBoard { get => lineBoard; set { lineBoard = value; OnPropertyChanged("LineBoard"); } } private bool isTempGridCheck = false; private bool isConcGridCheck = false; private bool isTimeGridCheck = false; private Visibility LineTSVisibility { get => LineTimeSeries.Visibility; set => LineTimeSeries.Visibility = value; } private bool XTimeSetGridLines { get => xTime.ShowGridLines; set => xTime.ShowGridLines = value; } private bool YLeftSetGridLines { get => yLeft.ShowGridLines; set => yLeft.ShowGridLines = value; } private bool YRightSetGridLines { get => yRight.ShowGridLines; set => yRight.ShowGridLines = value; } private bool XTimeStartSetGridLines { get => xTimeStart.ShowGridLines; set => xTimeStart.ShowGridLines = value; } private bool YLeftStartSetGridLines { get => yLeftStart.ShowGridLines; set => yLeftStart.ShowGridLines = value; } private bool YRightStartSetGridLines { get => yRightStart.ShowGridLines; set => yRightStart.ShowGridLines = value; } private DateTime XTimeStartMaximum { get => xTimeStart.Maximum.Value; set => xTimeStart.Maximum = value; } private DateTime XTimeStartMinimum { get => xTimeStart.Minimum.Value; set => xTimeStart.Minimum = value; } private double XTimeStartInterval { get => (double)xTimeStart.Interval.Value; set => xTimeStart.Interval = value; } private DateTime XTimeMaximum { get => xTime.Maximum.Value; set => xTime.Maximum = value; } private DateTime XTimeMinimum { get => xTime.Minimum.Value; set => xTime.Minimum = value; } private double XTimeInterval { get => (double)xTime.Interval.Value; set => xTime.Interval = value; } private DateTime ActTSTime { get; set; } public ChartControl() : base() { InitializeComponent(); dataSource = new ChartViewModel(); dataSourceContext = DataSourceContext; dateTime = DateTime.Now; InitLineValues(dateTime); } public void ChartControl_Loaded(object sender, RoutedEventArgs e) { LineTSVisibility = Visibility.Hidden; //chartDummy.Visibility = Visibility.Hidden; //chartControl.Visibility = Visibility.Visible; ChbGridTemp.IsChecked = false; ChbGridConc.IsChecked = false; ChbGridTime.IsChecked = false; DateTime dt = DateTime.Now.AddMilliseconds(500); DateTime dte = dt.AddMinutes(1); if (dte > XTimeMinimum) { XTimeStartMaximum = XTimeMaximum = dte; XTimeStartMinimum = XTimeMinimum = dt; } else { XTimeStartMinimum = XTimeMinimum = dt; XTimeStartMaximum = XTimeMaximum = dte; } XTimeStartInterval = XTimeInterval = 0.001; if (dateTime < dt) { InitLineValues(dt); } showColumnChart(); } private void showColumnChart() { chartControl.DataContext = DataSourceContext; } private void ChbGridTemp_Checked(object sender, RoutedEventArgs e) { ChbGridTime.IsChecked = YLeftStartSetGridLines = XTimeStartSetGridLines = YLeftSetGridLines = XTimeSetGridLines = isTimeGridCheck = isTempGridCheck = true; } private void ChbGridConc_Checked(object sender, RoutedEventArgs e) { ChbGridTime.IsChecked = YRightStartSetGridLines = XTimeStartSetGridLines = YRightSetGridLines = XTimeSetGridLines = isTimeGridCheck = isConcGridCheck = true; } private void ChbGridTime_Checked(object sender, RoutedEventArgs e) { XTimeStartSetGridLines = XTimeSetGridLines = isTimeGridCheck = true; } private void ChbGridTemp_Unchecked(object sender, RoutedEventArgs e) { ChbGridTime.IsChecked = XTimeStartSetGridLines = YLeftStartSetGridLines = XTimeSetGridLines = YLeftSetGridLines = isTempGridCheck = false; if (isConcGridCheck) { ChbGridTime.IsChecked = XTimeStartSetGridLines = XTimeSetGridLines = true; } } private void ChbGridConc_Unchecked(object sender, RoutedEventArgs e) { ChbGridTime.IsChecked = XTimeStartSetGridLines = YRightStartSetGridLines = XTimeSetGridLines = YRightSetGridLines = isConcGridCheck = false; if (isTempGridCheck) { ChbGridTime.IsChecked = XTimeStartSetGridLines = XTimeSetGridLines = true; } } private void ChbGridTime_Unchecked(object sender, RoutedEventArgs e) { XTimeStartSetGridLines = XTimeSetGridLines = isTimeGridCheck = false; } private void InitLineValues(DateTime dateTime) { point50 = new KeyValuePair<DateTime, double>(dateTime, 50); if (LineBoard != null) { SetLineValues(); } else if (dataSource.List[0].Count < 1 && dataSource.List[4].Count < 1 || dataSource.List[1].Count < 1 && dataSource.List[5].Count < 1 || dataSource.List[2].Count < 1 && dataSource.List[6].Count < 1 || dataSource.List[3].Count < 1 && dataSource.List[7].Count < 1) { dataSource.List[0].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[1].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[2].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[3].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[4].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[5].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[6].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[7].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[8].Add(new KeyValuePair<DateTime, double>(dateTime, 0)); dataSource.List[8].Add(point50); dataSource.List[8].Add(new KeyValuePair<DateTime, double>(dateTime, 100)); } } private void SetLineValues() { DateTime dt = XTimeMinimum; DateTime dta = DateTime.Now; DateTime dte = XTimeMaximum; TimeSpan defGap = dte.Subtract(dt); double dDefGapIM = defGap.TotalSeconds / 60; TimeSpan actGap = dta.Subtract(dt); if (dDefGapIM * gapMulti <= actGap.TotalSeconds / 60) { XTimeStartMaximum = XTimeMaximum = dte.AddMinutes(dDefGapIM * 0.5); XTimeStartInterval = XTimeInterval = XTimeInterval * 1.5; } if (LineBoard != null && LineBoard.TestChartValues()) { if (LineBoard.IsInfoAObject.TestChartGroupEnabled()) { DataSource.List[0].Add(new KeyValuePair<DateTime, double>(key: LineBoard.InputTimeStamp, value: LineBoard.InputATempValue)); DataSource.List[4].Add(new KeyValuePair<DateTime, double>(key: LineBoard.InputTimeStamp, value: LineBoard.InputAConcValue)); } if (LineBoard.IsInfoBObject.TestChartGroupEnabled()) { DataSource.List[1].Add(new KeyValuePair<DateTime, double>(key: LineBoard.InputTimeStamp, value: LineBoard.InputBTempValue)); DataSource.List[5].Add(new KeyValuePair<DateTime, double>(key: LineBoard.InputTimeStamp, value: LineBoard.InputBConcValue)); } if (LineBoard.IsInfoCObject.TestChartGroupEnabled()) { DataSource.List[2].Add(new KeyValuePair<DateTime, double>(LineBoard.InputTimeStamp, value: LineBoard.InputCTempValue)); DataSource.List[6].Add(new KeyValuePair<DateTime, double>(key: LineBoard.InputTimeStamp, value: LineBoard.InputCConcValue)); } if (LineBoard.IsInfoDObject.TestChartGroupEnabled()) { DataSource.List[3].Add(new KeyValuePair<DateTime, double>(key: LineBoard.InputTimeStamp, value: LineBoard.InputDTempValue)); DataSource.List[7].Add(new KeyValuePair<DateTime, double>(key: LineBoard.InputTimeStamp, value: LineBoard.InputDConcValue)); } //if (isMouseLeftMode) { if (isMouseLeftMode) { ActTSTime = LineBoard.InputTimeStamp; } DataSource.List[8]?.Clear(); DataSource.List[8].Add(new KeyValuePair<DateTime, double>(key: ActTSTime, value: 0)); DataSource.List[8].Add(new KeyValuePair<DateTime, double>(key: ActTSTime, value: 50)); DataSource.List[8].Add(new KeyValuePair<DateTime, double>(key: ActTSTime, value: 100)); SetTSLineValues(ActTSTime); } } } public void SetTSLineValues(DateTime ActTSTime) { TextTSLine.Text = ActTSTime.ToString("dd.MM.yyyy HH.mm.ss"); for (int i = 0; i < 8; i++) { foreach (var item in DataSource.List[i]) { if (item.Key.Equals(ActTSTime)) { switch (i) { case 0: TextATemp.Text = item.Value.ToString("0.000"); break; case 1: TextBTemp.Text = item.Value.ToString("0.000"); break; case 2: TextCTemp.Text = item.Value.ToString("0.000"); break; case 3: TextDTemp.Text = item.Value.ToString("0.000"); break; case 4: TextAConc.Text = item.Value.ToString("0.000"); break; case 5: TextBConc.Text = item.Value.ToString("0.000"); break; case 6: TextCConc.Text = item.Value.ToString("0.000"); break; case 7: TextDConc.Text = item.Value.ToString("0.000"); break; } } } } } public virtual void OnPropertyChanged(string propertyName) { if (propertyName.Equals("LineBoard")) { SetLineValues(); } } private void chartControl_MouseEnter(object sender, MouseEventArgs e) { chartControl.Cursor = Cursors.Cross; } private Panel plotArea; public override void OnApplyTemplate() { base.OnApplyTemplate(); plotArea = GetTemplateChild(LineTimeSeries.DependentValuePath) as Panel; } }