Sicherung

FSI.Lib/NLogViewer/Helper/ListViewLayoutManager/LayoutColumn.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace DJ.Helper.ListViewLayoutManager
+{
+    public abstract class LayoutColumn
+    {
+        protected static bool HasPropertyValue(GridViewColumn column, DependencyProperty dp)
+        {
+            if (column == null)
+            {
+                throw new ArgumentNullException(nameof(column));
+            }
+
+            object value = column.ReadLocalValue(dp);
+            if (value?.GetType() == dp.PropertyType)
+            {
+                return true;
+            }
+
+            return false;
+        }
+        
+        protected static double? GetColumnWidth(GridViewColumn column, DependencyProperty dp)
+        {
+            if (column == null)
+            {
+                throw new ArgumentNullException(nameof(column));
+            }
+
+            object value = column.ReadLocalValue(dp);
+            if (value?.GetType() == dp.PropertyType)
+            {
+                return (double) value;
+            }
+
+            return null;
+        }
+    }
+}