polish

demo/Ursa.Demo/ViewModels/NumericUpDownDemoViewModel.cs

@@ -39,7 +39,7 @@ public partial class NumericUpDownDemoViewModel : ObservableObject
         Array_ParsingNumberStyle = Enum.GetValues(typeof(NumberStyles));
         NumericUIntUpDown numericUIntUpDown;
         TextBox textBox;
-        
+
     }
 
     partial void OnValueChanging(uint oldValue, uint newValue)

src/Ursa/Controls/NumericUpDown/NumericUpDownBase.cs

@@ -336,7 +336,6 @@ public abstract class NumericUpDownBase<T> : NumericUpDown where T : struct, ICo
 
         if ((numberStyles & NumberStyles.AllowHexSpecifier) != 0)
         {
-
             if (text.StartsWith("0X") || text.StartsWith("0x")) // support 0x hex while user input
             {
                 text = text.Substring(2);