修复了窗口较小时点击按钮打开分组面板，窗口变大后无法显示分组面板的BUG

Author: f-shake

MapBoard.UI/UI/LayerListPanel.xaml.cs

@@ -71,6 +71,7 @@ private void UpdateLayout(double height)
                 lvwViewTypes.HorizontalAlignment = HorizontalAlignment.Left;
                 btnGroups.Visibility = Visibility.Visible;
                 groupContent.Visibility = Visibility.Collapsed;
+                groupContent.Content = null;
                 flyoutGroups.Content = r;
                 r.Background = Brushes.Transparent;
             }
@@ -79,6 +80,7 @@ private void UpdateLayout(double height)
                 lvwViewTypes.HorizontalAlignment = HorizontalAlignment.Center;
                 btnGroups.Visibility = Visibility.Collapsed;
                 groupContent.Visibility = Visibility.Visible;
+                flyoutGroups.Content = null;
                 groupContent.Content = r;
                 r.SetResourceReference(BackgroundProperty, "SystemControlBackgroundChromeMediumBrush");
             }

日志.md

@@ -1654,4 +1654,8 @@ Url DataGrid修改为ListBox+文本框，方便修改
 
 将所有的文件对话框设置了父窗口，避免弹出的对话框在其他窗口之上的BUG
 
-修复了Gpx工具箱中文件列表中选择文件和点击菜单可能出现闪退的BUG
+修复了Gpx工具箱中文件列表中选择文件和点击菜单可能出现闪退的BUG
+
+## 20220108
+
+修复了窗口较小时点击按钮打开分组面板，窗口变大后无法显示分组面板的BUG