增加标题Logo的隐藏, 修复圆角白线

Converts/Visibility2BooleanConverter.cs

@@ -0,0 +1,36 @@
+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
+{
+    internal class Visibility2BooleanConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if ((Visibility)value == Visibility.Visible)
+            {
+                return true;
+            } else
+            {
+                return false;
+            }
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if ((bool)value)
+            {
+                return Visibility.Visible;
+            } else
+            {
+                return Visibility.Collapsed;
+            }
+        }
+    }
+}