项目结构调整

Others/Live-Charts-master/Examples/UWP/CartesianChart/Chart to Image/ChartToImageSample.xaml.cs

@@ -0,0 +1,64 @@
+using System.IO;
+using Windows.Foundation;
+using Windows.Graphics.Imaging;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media.Imaging;
+using LiveCharts;
+using LiveCharts.Uwp;
+
+namespace Wpf.CartesianChart.Chart_to_Image
+{
+    /// <summary>
+    /// Interaction logic for ChartToImageSample.xaml
+    /// </summary>
+    public partial class ChartToImageSample : UserControl
+    {
+        public ChartToImageSample()
+        {
+            InitializeComponent();
+        }
+
+        private void BuildPngOnClick(object sender, RoutedEventArgs e)
+        {
+            var myChart = new LiveCharts.Uwp.CartesianChart
+            {
+                DisableAnimations = true,
+                Width = 600,
+                Height = 200,
+                Series = new SeriesCollection
+                {
+                    new LineSeries
+                    {
+                        Values = new ChartValues<double> {1, 6, 7, 2, 9, 3, 6, 5}
+                    }
+                }
+            };
+
+            var viewbox = new Viewbox();
+            viewbox.Child = myChart;
+            viewbox.Measure(myChart.RenderSize);
+            viewbox.Arrange(new Rect(new Point(0, 0), myChart.RenderSize));
+            myChart.Update(true, true); //force chart redraw
+            viewbox.UpdateLayout();
+
+            //SaveToPng(myChart, "chart.png");
+            //png file was created at the root directory.
+        }
+
+        //private void SaveToPng(FrameworkElement visual, string fileName)
+        //{
+        //    var encoder = new PngBitmapEncoder();
+        //    EncodeVisual(visual, fileName, encoder);
+        //}
+
+        //private static void EncodeVisual(FrameworkElement visual, string fileName, BitmapEncoder encoder)
+        //{
+        //    var bitmap = new RenderTargetBitmap((int)visual.ActualWidth, (int)visual.ActualHeight, 96, 96, PixelFormats.Pbgra32);
+        //    bitmap.Render(visual);
+        //    var frame = BitmapFrame.Create(bitmap);
+        //    encoder.Frames.Add(frame);
+        //    using (var stream = File.Create(fileName)) encoder.Save(stream);
+        //}
+    }
+}