fix

Author: LazuliKao

src/LXLDevHelper/ViewModels/LXLFuncParams.cs

@@ -1,4 +1,5 @@
-using Prism.Mvvm;
+using Newtonsoft.Json;
+using Prism.Mvvm;
 using System.Collections.ObjectModel;
 namespace LXLDevHelper.ViewModels
 {
@@ -7,6 +8,7 @@ namespace LXLDevHelper.ViewModels
     /// </summary>
     public class LXLFuncParamsBase : BindableBase
     {
+        [JsonIgnore] public LXLFuncParamsBase Me { get => this; }
         /// <summary>
         /// 参数类型
         /// </summary>

src/LXLDevHelper/Views/EditFunctionWIndow.xaml

@@ -62,7 +62,7 @@
                         <DataGridTemplateColumn.CellEditingTemplate>
                             <DataTemplate>
                                 <ComboBox HorizontalAlignment="Stretch" Text="{Binding ParamType,Mode=TwoWay}" IsEditable="True"  ui:ControlHelper.CornerRadius="0" 
-                                                    ItemsSource="{Binding AvaliableTypes,Mode=OneWay}" SelectionChanged="SelectTypeComboBox_SelectionChanged">
+                                                  Tag="{Binding Me,Mode=OneWay}"  ItemsSource="{Binding AvaliableTypes,Mode=OneWay}" SelectionChanged="SelectTypeComboBox_SelectionChanged">
                                     <ComboBox.ToolTip>
                                         <StackPanel>
                                             <TextBlock Text="选择或手动输入类型"/>
@@ -71,7 +71,7 @@
                                     </ComboBox.ToolTip>
                                     <ComboBox.ContextMenu>
                                         <ContextMenu>
-                                            <MenuItem Tag="{Binding ParamType,Mode=TwoWay}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
+                                            <MenuItem Tag="{Binding Me,Mode=OneWay}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
                                         </ContextMenu>
                                     </ComboBox.ContextMenu>
                                 </ComboBox>

src/LXLDevHelper/Views/EditFunctionWIndow.xaml.cs

@@ -70,32 +70,18 @@ private void DeleteParams_Click(object sender, RoutedEventArgs e)
         }
         private void SelectTypeMenuItem_Click(object sender, RoutedEventArgs e)
         {
-            var text = (string)((MenuItem)sender).Tag;
+            var text = ((ViewModels.LXLFuncParamsBase)((MenuItem)sender).Tag).ParamType;
             var result = EditFunction(text);
-            //System.Threading.Tasks.Task.Delay(1000).ContinueWith(_ =>
-            //{
-            //    Dispatcher.InvokeAsync(() =>);//奇怪的bug，事件内直接改没效果，所以只能post到事件完成后运行
-            //});
-            ((MenuItem)sender).Tag = result;
+            ((ViewModels.LXLFuncParamsBase)((MenuItem)sender).Tag).ParamType = result;
+
         }
         private void SelectTypeComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
             var me = (ComboBox)sender;
             if (me.SelectedItem?.ToString() == "Function")
             {
-                //e.Handled = true;
                 var result = EditFunction("Function");
-                //ShowWarn(result);
-                System.Threading.Tasks.Task.Delay(1000).ContinueWith(_ =>
-                {
-                    Dispatcher.InvokeAsync(() => {
-                        me.Text = result;
-                        ShowWarn(result);
-                    });//奇怪的bug，事件内直接改没效果，所以只能post到事件完成后运行
-                });
-                //me.Text = result;
-                //ShowWarn(me.Text);
-                //e.Handled = true;
+                ((ViewModels.LXLFuncParamsBase)me.Tag).ParamType = result;
             }
         }
         private string EditFunction(string text)