wip

ClientApp/ValueConverters/BoolToMarkConverter.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Data;
+using System.Windows.Media.Imaging;
+
+namespace ClientApp.ValueConverters
+{
+    //[ValueConversion(typeof(bool), typeof(BitmapImage))]
+
+    class BoolToMarkConverter : IValueConverter
+    {
+        public BitmapImage TrueImage { get; set; } = new BitmapImage(new Uri("pack://application:,,,/Images/Icons/CheckMark.png"));
+        public BitmapImage FalseImage { get; set; } = new BitmapImage(new Uri("pack://application:,,,/Images/Icons/CrossMark.png"));
+
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (!(value is bool))
+            {
+                return null;
+            }
+
+            bool b = (bool)value;
+            if (b)
+            {
+                return this.TrueImage;
+            }
+            else
+            {
+                return this.FalseImage;
+            }
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}