添加项目文件。

Live-Charts-master/Examples/Wpf/CartesianChart/DynamicVisibility/DynamicVisibilityExample.xaml.cs

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+using System.ComponentModel;
+using System.Windows.Controls;
+
+namespace Wpf.CartesianChart.DynamicVisibility
+{
+    public partial class DynamicVisibilityExample : UserControl, INotifyPropertyChanged
+    {
+        private bool _mariaSeriesVisibility;
+        private bool _charlesSeriesVisibility;
+        private bool _johnSeriesVisibility;
+
+        public DynamicVisibilityExample()
+        {
+            InitializeComponent();
+
+            MariaSeriesVisibility = true;
+            CharlesSeriesVisibility = true;
+            JohnSeriesVisibility = false;
+
+            DataContext = this;
+        }
+
+        public bool MariaSeriesVisibility
+        {
+            get { return _mariaSeriesVisibility; }
+            set
+            {
+                _mariaSeriesVisibility = value;
+                OnPropertyChanged("MariaSeriesVisibility");
+            }
+        }
+
+        public bool CharlesSeriesVisibility
+        {
+            get { return _charlesSeriesVisibility; }
+            set
+            {
+                _charlesSeriesVisibility = value;
+                OnPropertyChanged("CharlesSeriesVisibility");
+            }
+        }
+
+        public bool JohnSeriesVisibility
+        {
+            get { return _johnSeriesVisibility; }
+            set
+            {
+                _johnSeriesVisibility = value;
+                OnPropertyChanged("JohnSeriesVisibility");
+            }
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName = null)
+        {
+            if (PropertyChanged != null)
+                PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+    }
+}