Update NumericUpDown.cs

src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Documents;
 using System.Windows.Input;
 using HandyControl.Data;
 using HandyControl.Interactivity;
@@ -65,7 +66,8 @@ namespace HandyControl.Controls
         {
             if (_textBox != null)
             {
-                _textBox.TextChanged -= TextBox_TextChanged;
+                TextCompositionManager.RemovePreviewTextInputHandler(_textBox, PreviewTextInputHandler);
+                _textBox.TextChanged -= _textBox_TextChanged;
                 _textBox.PreviewKeyDown -= TextBox_PreviewKeyDown;
                 _textBox.LostFocus -= TextBox_LostFocus;
             }
@@ -76,13 +78,27 @@ namespace HandyControl.Controls
 
             if (_textBox != null)
             {
-                _textBox.TextChanged += TextBox_TextChanged;
+                TextCompositionManager.AddPreviewTextInputHandler(_textBox, PreviewTextInputHandler);
+                _textBox.TextChanged += _textBox_TextChanged;
                 _textBox.PreviewKeyDown += TextBox_PreviewKeyDown;
                 _textBox.LostFocus += TextBox_LostFocus;
                 _textBox.Text = CurrentText;
             }
         }
 
+        private void _textBox_TextChanged(object sender, TextChangedEventArgs e) => UpdateData();
+
+        private void UpdateData()
+        {
+            if (!VerifyData()) return;
+            if (double.TryParse(_textBox.Text, out var value))
+            {
+                Value = value;
+            }
+        }
+
+        private void PreviewTextInputHandler(object sender, TextCompositionEventArgs e) => UpdateData();
+
         private void TextBox_LostFocus(object sender, RoutedEventArgs e)
         {
             if (IsError) return;
@@ -103,15 +119,6 @@ namespace HandyControl.Controls
             }
         }
 
-        private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
-        {
-            if (!VerifyData()) return;
-            if (double.TryParse(_textBox.Text, out var value))
-            {
-                Value = value;
-            }
-        }
-
         protected override void OnMouseWheel(MouseWheelEventArgs e)
         {
             base.OnMouseWheel(e);