Sicherung

FSI.Lib/NLogViewer/ScrollingHelper.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+
+namespace DJ
+{
+    public static class ScrollingHelper
+    {
+        public static void ScrollToEnd(this ListView listView)
+        {
+            var scrollViewer = GetDescendantByType(listView, typeof(ScrollViewer)) as ScrollViewer;
+            scrollViewer?.ScrollToEnd();
+        }
+
+        public static Visual GetDescendantByType(Visual element, Type type)
+        {
+            if (element != null)
+            {
+                if (element.GetType() != type)
+                {
+                    Visual foundElement = null;
+                    (element as FrameworkElement)?.ApplyTemplate();
+
+                    for (var i = 0; i < VisualTreeHelper.GetChildrenCount(element); i++)
+                    {
+                        var visual = VisualTreeHelper.GetChild(element, i) as Visual;
+                        foundElement = GetDescendantByType(visual, type);
+                        if (foundElement != null)
+                        {
+                            break;
+                        }
+                    }
+
+                    return foundElement;
+                }
+
+                return element;
+            }
+
+            return null;
+        }
+    }
+}