Add project files.

2022-11-01 15:26:08 +00:00
parent daa7b59f22
commit 7e4f880821
408 changed files with 16863 additions and 0 deletions
@@ -0,0 +1,45 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+using System.Windows.Markup;
+
+namespace TheXamlGuy.UI.WPF
+{
+    public abstract class ValueConverter<TSource, TTarget> : MarkupExtension, IValueConverter
+    {
+        public object? Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return ConvertTo((TSource)value, targetType, parameter, culture);
+        }
+
+        public object? ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return ConvertBackTo((TTarget)value, targetType, parameter, culture);
+        }
+
+        public TTarget? Convert(TSource value)
+        {
+            return ConvertTo(value, null, null, null);
+        }
+
+        public TSource? ConvertBack(TTarget value)
+        {
+            return ConvertBackTo(value, null, null, null);
+        }
+
+        protected virtual TTarget? ConvertTo(TSource value, Type? targetType, object? parameter, CultureInfo? culture)
+        {
+            return default;
+        }
+
+        protected virtual TSource? ConvertBackTo(TTarget value, Type? targetType, object? parameter, CultureInfo? culture)
+        {
+            return default;
+        }
+
+        public override object ProvideValue(IServiceProvider serviceProvider)
+        {
+            return this;
+        }
+    }
+}