增加搜索功能

Converts/SearchResWidth.cs

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+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Data;
+
+namespace GeekDesk.Converts
+{
+    class SearchResWidth : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            double menuLeftWidth = double.Parse(value.ToString());
+            return MainWindow.mainWindow.Width - menuLeftWidth;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}