resolve some System.Windows.Data Error

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/DatePropertyEditor.cs

@@ -4,16 +4,11 @@ namespace HandyControl.Controls
 {
     public class DatePropertyEditor : PropertyEditorBase
     {
-        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new DateTimePicker
         {
-            var picker = new DateTimePicker
-            {
-                IsEnabled = !propertyItem.IsReadOnly
-            };
+            IsEnabled = !propertyItem.IsReadOnly
+        };
 
-            picker.SetBinding(System.Windows.Controls.DatePicker.SelectedDateProperty, CreateBinding(propertyItem));
-
-            return picker;
-        }
+        public override DependencyProperty GetDependencyProperty() => System.Windows.Controls.DatePicker.SelectedDateProperty;
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/DateTimePropertyEditor.cs

@@ -4,16 +4,11 @@ namespace HandyControl.Controls
 {
     public class DateTimePropertyEditor : PropertyEditorBase
     {
-        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new DateTimePicker
         {
-            var picker = new DateTimePicker
-            {
-                IsEnabled = !propertyItem.IsReadOnly
-            };
+            IsEnabled = !propertyItem.IsReadOnly
+        };
 
-            picker.SetBinding(DateTimePicker.SelectedDateTimeProperty, CreateBinding(propertyItem));
-
-            return picker;
-        }
+        public override DependencyProperty GetDependencyProperty() => DateTimePicker.SelectedDateTimeProperty;
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/EnumPropertyEditor.cs

@@ -6,17 +6,12 @@ namespace HandyControl.Controls
 {
     public class EnumPropertyEditor : PropertyEditorBase
     {
-        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new System.Windows.Controls.ComboBox
         {
-            var picker = new System.Windows.Controls.ComboBox
-            {
-                IsEnabled = !propertyItem.IsReadOnly,
-                ItemsSource = Enum.GetValues(propertyItem.PropertyType)
-            };
+            IsEnabled = !propertyItem.IsReadOnly,
+            ItemsSource = Enum.GetValues(propertyItem.PropertyType)
+        };
 
-            picker.SetBinding(Selector.SelectedValueProperty, CreateBinding(propertyItem));
-
-            return picker;
-        }
+        public override DependencyProperty GetDependencyProperty() => Selector.SelectedValueProperty;
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/NumberPropertyEditor.cs

@@ -19,18 +19,13 @@ namespace HandyControl.Controls
 
         public double Maximum { get; set; }
 
-        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new NumericUpDown
         {
-            var numericUpDown = new NumericUpDown
-            {
-                IsReadOnly = propertyItem.IsReadOnly,
-                Minimum = Minimum,
-                Maximum = Maximum
-            };
+            IsReadOnly = propertyItem.IsReadOnly,
+            Minimum = Minimum,
+            Maximum = Maximum
+        };
 
-            numericUpDown.SetBinding(NumericUpDown.ValueProperty, CreateBinding(propertyItem));
-
-            return numericUpDown;
-        }
+        public override DependencyProperty GetDependencyProperty() => NumericUpDown.ValueProperty;
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/PlainTextPropertyEditor.cs

@@ -1,19 +1,17 @@
 using System.Windows;
+using System.Windows.Data;
 
 namespace HandyControl.Controls
 {
     public class PlainTextPropertyEditor : PropertyEditorBase
     {
-        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new System.Windows.Controls.TextBox
         {
-            var textbox = new System.Windows.Controls.TextBox
-            {
-                IsReadOnly = propertyItem.IsReadOnly
-            };
+            IsReadOnly = propertyItem.IsReadOnly
+        };
 
-            textbox.SetBinding(System.Windows.Controls.TextBox.TextProperty, CreateBinding(propertyItem));
+        public override DependencyProperty GetDependencyProperty() => System.Windows.Controls.TextBox.TextProperty;
 
-            return textbox;
-        }
+        public override BindingMode GetBindingMode(PropertyItem propertyItem) => BindingMode.OneWay;
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/PropertyEditorBase.cs

@@ -7,16 +7,22 @@ namespace HandyControl.Controls
     {
         public abstract FrameworkElement CreateElement(PropertyItem propertyItem);
 
-        public virtual Binding CreateBinding(PropertyItem propertyItem) =>
-            new Binding(propertyItem.PropertyName)
-            {
-                Source = propertyItem.Value,
-                Mode = GetBindingMode(propertyItem),
-                UpdateSourceTrigger = GetUpdateSourceTrigger(propertyItem)
-            };
+        public virtual void CreateBinding(PropertyItem propertyItem, FrameworkElement element) =>
+            BindingOperations.SetBinding(element, GetDependencyProperty(),
+                new Binding($"({propertyItem.PropertyName})")
+                {
+                    Source = propertyItem.Value,
+                    Mode = GetBindingMode(propertyItem),
+                    UpdateSourceTrigger = GetUpdateSourceTrigger(propertyItem),
+                    Converter = GetConverter()
+                });
+
+        public abstract DependencyProperty GetDependencyProperty();
 
         public virtual BindingMode GetBindingMode(PropertyItem propertyItem) => propertyItem.IsReadOnly ? BindingMode.OneWay : BindingMode.TwoWay;
 
         public virtual UpdateSourceTrigger GetUpdateSourceTrigger(PropertyItem propertyItem) => UpdateSourceTrigger.PropertyChanged;
+
+        protected virtual IValueConverter GetConverter() => null;
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/ReadOnlyTextPropertyEditor.cs

@@ -0,0 +1,17 @@
+using System.Windows;
+using System.Windows.Data;
+
+namespace HandyControl.Controls
+{
+    public class ReadOnlyTextPropertyEditor : PropertyEditorBase
+    {
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new System.Windows.Controls.TextBox
+        {
+            IsReadOnly = true
+        };
+
+        public override DependencyProperty GetDependencyProperty() => System.Windows.Controls.TextBox.TextProperty;
+
+        public override BindingMode GetBindingMode(PropertyItem propertyItem) => BindingMode.OneWay;
+    }
+}

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/SwitchPropertyEditor.cs

@@ -6,18 +6,13 @@ namespace HandyControl.Controls
 {
     public class SwitchPropertyEditor : PropertyEditorBase
     {
-        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new ToggleButton
         {
-            var button = new ToggleButton
-            {
-                Style = ResourceHelper.GetResource<Style>("ToggleButtonSwitch"),
-                HorizontalAlignment = HorizontalAlignment.Left,
-                IsEnabled = !propertyItem.IsReadOnly
-            };
+            Style = ResourceHelper.GetResource<Style>("ToggleButtonSwitch"),
+            HorizontalAlignment = HorizontalAlignment.Left,
+            IsEnabled = !propertyItem.IsReadOnly
+        };
 
-            button.SetBinding(ToggleButton.IsCheckedProperty, CreateBinding(propertyItem));
-
-            return button;
-        }
+        public override DependencyProperty GetDependencyProperty() => ToggleButton.IsCheckedProperty;
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/TimePropertyEditor.cs

@@ -4,16 +4,11 @@ namespace HandyControl.Controls
 {
     public class TimePropertyEditor : PropertyEditorBase
     {
-        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        public override FrameworkElement CreateElement(PropertyItem propertyItem) => new DateTimePicker
         {
-            var picker = new DateTimePicker
-            {
-                IsEnabled = !propertyItem.IsReadOnly
-            };
+            IsEnabled = !propertyItem.IsReadOnly
+        };
 
-            picker.SetBinding(TimePicker.SelectedTimeProperty, CreateBinding(propertyItem));
-
-            return picker;
-        }
+        public override DependencyProperty GetDependencyProperty() => TimePicker.SelectedTimeProperty;
     }
 }