New Icons and Zoom of graph were added

StructureHelperLogics/NdmCalculations/Analyses/ExportFrameWorkElementLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses
+{
+    public class ExportFrameWorkElementLogic : IExportResultLogic
+    {
+        private FrameworkElement visual;
+        public string FileName { get; set; }
+
+        public void Export()
+        {
+            var encoder = new PngBitmapEncoder();
+            EncodeVisual(visual, FileName, encoder);
+        }
+
+        public ExportFrameWorkElementLogic(FrameworkElement visual)
+        {
+            this.visual = visual;
+        }
+
+        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);
+        }
+    }
+}