添加项目文件。

2026-04-26 03:07:55 +08:00 · 2021-07-23 09:42:22 +08:00
commit f25a958797
2798 changed files with 352360 additions and 0 deletions
--- a/Live-Charts-master/Examples/UWP/CartesianChart/MaterialCards/MaterialCards.xaml.cs
+++ b/Live-Charts-master/Examples/UWP/CartesianChart/MaterialCards/MaterialCards.xaml.cs
@@ -0,0 +1,112 @@
+using System;
+using System.ComponentModel;
+using System.Linq;
+using System.Threading.Tasks;
+using Windows.UI.Core;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using LiveCharts;
+using LiveCharts.Defaults;
+using LiveCharts.Uwp;
+
+namespace UWP.CartesianChart.MaterialCards
+{
+    /// <summary>
+    /// Interaction logic for MaterialCards.xaml
+    /// </summary>
+    public partial class MaterialCards : Page, INotifyPropertyChanged
+    {
+        private double _lastLecture;
+        private double _trend;
+        private DispatcherTimer _timer = new DispatcherTimer {Interval = TimeSpan.FromMilliseconds(500)};
+
+        public MaterialCards()
+        {
+            InitializeComponent();
+
+            LastHourSeries = new SeriesCollection
+            {
+                new LineSeries
+                {
+                    Values = new ChartValues<ObservableValue>
+                    {
+                        new ObservableValue(3),
+                        new ObservableValue(5),
+                        new ObservableValue(6),
+                        new ObservableValue(7),
+                        new ObservableValue(3),
+                        new ObservableValue(4),
+                        new ObservableValue(2),
+                        new ObservableValue(5),
+                        new ObservableValue(8),
+                        new ObservableValue(3),
+                        new ObservableValue(5),
+                        new ObservableValue(6),
+                        new ObservableValue(7),
+                        new ObservableValue(3),
+                        new ObservableValue(4),
+                        new ObservableValue(2),
+                        new ObservableValue(5),
+                        new ObservableValue(8)
+                    }
+                }
+            };
+
+            _trend = 8;
+
+            _timer.Tick += (sender, o) =>
+            {
+                var r = new Random();
+
+                _trend += (r.NextDouble() > 0.3 ? 1 : -1) * r.Next(0, 5);
+                LastHourSeries[0].Values.Add(new ObservableValue(_trend));
+                LastHourSeries[0].Values.RemoveAt(0);
+                SetLecture();
+            };
+            _timer.Start();
+
+            Vals = new ChartValues<double> { 5, 9, 8, 6, 1, 5, 7, 3, 6, 3 };
+            Nan = double.NaN;
+
+            DataContext = this;
+        }
+
+        public SeriesCollection LastHourSeries { get; set; }
+        public ChartValues<double> Vals { get; set; }
+        public double Nan { get; set; }
+
+        public double LastLecture
+        {
+            get { return _lastLecture; }
+            set
+            {
+                _lastLecture = value;
+                OnPropertyChanged("LastLecture");
+            }
+        }
+
+        private async void SetLecture()
+        {
+            var target = ((ChartValues<ObservableValue>) LastHourSeries[0].Values).Last().Value;
+            var step = (target - _lastLecture)/4;
+
+            await Task.Delay(100);
+            LastLecture += step;
+
+            LastLecture = target;
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName = null)
+        {
+            var handler = PropertyChanged;
+            if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        private void UpdateOnclick(object sender, RoutedEventArgs e)
+        {
+            TimePowerChart.Update(true);
+        }
+    }
+}