ProgressBar百分比文本显示修复

src/Shared/HandyControl_Shared/Tools/Converter/Number2PercentageConverter.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using System.Windows.Controls;
+using System.Windows.Data;
+
+namespace HandyControl.Tools.Converter
+{
+    public class Number2PercentageConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            string result = "";
+            if (value is ProgressBar element)
+            {
+                double result_double = element.Value * 100 / element.Maximum;
+                int result_int = (int)result_double;
+                if (result_double - result_int > 0) result = (element.Value * 100 / element.Maximum).ToString("f1");
+                else result = result_int.ToString();
+            }
+            return result;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}