fix

Author: LazuliKao

src/LXLDevHelper/Views/EditFunctionWIndow.xaml.cs

@@ -79,9 +79,10 @@ private void DeleteParams_Click(object sender, RoutedEventArgs e)
         }
         private void SelectTypeMenuItem_Click(object sender, RoutedEventArgs e)
         {
-            var text = ((ViewModels.LXLFuncParamsBase)((MenuItem)sender).Tag).ParamType;
+            var me = (MenuItem)sender;
+            var text = ((ViewModels.LXLFuncParamsBase)me.Tag).ParamType;
             var result = EditFunction(text);
-            ((ViewModels.LXLFuncParamsBase)((MenuItem)sender).Tag).ParamType = result;
+            ((ViewModels.LXLFuncParamsBase)me.Tag).ParamType = result;
 
         }
         private void SelectTypeComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)

src/LXLDevHelper/Views/MainContent.xaml

@@ -163,7 +163,7 @@
                                             </ComboBox.ToolTip>
                                             <ComboBox.ContextMenu>
                                                 <ContextMenu>
-                                                    <MenuItem Tag="{Binding CurrentFunc.ReturnType}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
+                                                    <MenuItem Tag="{Binding CurrentFunc.Me}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
                                                 </ContextMenu>
                                             </ComboBox.ContextMenu>
                                         </ComboBox>
@@ -205,7 +205,7 @@
                                                         </ComboBox.ToolTip>
                                                         <ComboBox.ContextMenu>
                                                             <ContextMenu>
-                                                                <MenuItem Tag="{Binding ParamType}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
+                                                                <MenuItem Tag="{Binding Me}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
                                                             </ContextMenu>
                                                         </ComboBox.ContextMenu>
                                                     </ComboBox>
@@ -249,7 +249,7 @@
                                     </ComboBox.ToolTip>
                                     <ComboBox.ContextMenu>
                                         <ContextMenu>
-                                            <MenuItem Tag="{Binding CurrentProperty.PropertyType}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
+                                            <MenuItem Tag="{Binding CurrentProperty.Me}" Header="编辑匿名函数" Click="SelectTypeMenuItem_Click"/>
                                         </ContextMenu>
                                     </ComboBox.ContextMenu>
                                 </ComboBox>

src/LXLDevHelper/Views/MainContent.xaml.cs

@@ -347,17 +347,32 @@ private void PropertyNameTextBox_GotFocus(object sender, RoutedEventArgs e)
 
         private void SelectTypeMenuItem_Click(object sender, RoutedEventArgs e)
         {
-            var text = (string)((MenuItem)sender).Tag;
-            var result =  EditFunction(text);
-            Dispatcher.InvokeAsync(() => ((MenuItem)sender).Tag = 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
+            var me = (MenuItem)sender;
+            if (me.GetType() == typeof(ViewModels.LXLFuncParams))
+            {
+                var text = ((ViewModels.LXLFuncParams)me.Tag).ParamType;
+                var result = EditFunction(text);
+                ((ViewModels.LXLFuncParams)me.Tag).ParamType = result;
+            }
+            else if (me.GetType() == typeof(ViewModels.LXLFunction))
+            {
+                var text = ((ViewModels.LXLFunction)me.Tag).ReturnType;
+                var result = EditFunction(text);
+                ((ViewModels.LXLFunction)me.Tag).ReturnType = result;
+            }   else if (me.GetType() == typeof(ViewModels.LXLProperty))
+            {
+                var text = ((ViewModels.LXLProperty)me.Tag).PropertyType;
+                var result = EditFunction(text);
+                ((ViewModels.LXLProperty)me.Tag).PropertyType = 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");
+                var result = EditFunction(me.Text);//还未更新的Text
                 Dispatcher.InvokeAsync(() => me.Text = 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
             }
         }