Make MTU combobox editable

2dust#9370

Author: 2dust

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml

@@ -876,7 +876,8 @@
                         Grid.Column="1"
                         Width="200"
                         Margin="{StaticResource Margin4}"
-                        HorizontalAlignment="Left" />
+                        HorizontalAlignment="Left"
+                        IsEditable="True" />
 
                     <TextBlock
                         Grid.Row="6"

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs

@@ -118,7 +118,7 @@ public OptionSettingWindow()
             this.Bind(ViewModel, vm => vm.TunAutoRoute, v => v.togAutoRoute.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunStrictRoute, v => v.togStrictRoute.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunStack, v => v.cmbStack.SelectedValue).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.TunMtu, v => v.cmbMtu.SelectedValue).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.TunMtu, v => v.cmbMtu.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunEnableIPv6Address, v => v.togEnableIPv6Address.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunIcmpRouting, v => v.cmbIcmpRoutingPolicy.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunEnableLegacyProtect, v => v.togEnableLegacyProtect.IsChecked).DisposeWith(disposables);

v2rayN/v2rayN/Views/OptionSettingWindow.xaml

@@ -1141,6 +1141,7 @@
                         Width="200"
                         Margin="{StaticResource Margin8}"
                         HorizontalAlignment="Left"
+                        IsEditable="True"
                         Style="{StaticResource DefComboBox}" />
 
                     <TextBlock