初版本AxisControl（Viscom风格）控件。

XP.Hardware.MotionControl/Views/AxisControlView.xaml

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+<UserControl x:Class="XP.Hardware.MotionControl.Views.AxisControlView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:loc="clr-namespace:XP.Common.Localization.Extensions;assembly=XP.Common"
+             xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
+             xmlns:prism="http://prismlibrary.com/"
+             xmlns:controls="clr-namespace:XP.Common.Controls;assembly=XP.Common"
+             prism:ViewModelLocator.AutoWireViewModel="True"
+             mc:Ignorable="d"
+             HorizontalAlignment="Stretch" Background="White">
+
+    <Grid Margin="8">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="Auto" MinWidth="200"/>
+            <ColumnDefinition Width="*"/>
+        </Grid.ColumnDefinitions>
+
+        <!-- ========== 左侧区域：轴位置 + 安全参数 | Left: Axis Positions + Safety Params ========== -->
+        <StackPanel Grid.Column="0" Margin="0,0,8,0">
+
+            <!-- 轴位置输入框组 | Axis Position Inputs -->
+            <GroupBox Margin="0,0,0,6">
+                <GroupBox.Header>
+                    <TextBlock Text="{loc:Localization AC_AxisPositions}" FontWeight="Bold" FontSize="12"/>
+                </GroupBox.Header>
+                <Grid Margin="5">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="Auto" MinWidth="80"/>
+                        <ColumnDefinition Width="*"/>
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                    </Grid.RowDefinitions>
+
+                    <!-- Stage X -->
+                    <TextBlock Grid.Row="0" Grid.Column="0" Text="{loc:Localization AC_StageX}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"/>
+                    <telerik:RadNumericUpDown Grid.Row="0" Grid.Column="1" x:Name="NumStageX"
+                        Value="{Binding StageXPosition, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        GotFocus="NumStageX_GotFocus" LostFocus="NumStageX_LostFocus" KeyDown="NumStageX_KeyDown"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+
+                    <!-- Stage Y -->
+                    <TextBlock Grid.Row="1" Grid.Column="0" Text="{loc:Localization AC_StageY}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"/>
+                    <telerik:RadNumericUpDown Grid.Row="1" Grid.Column="1" x:Name="NumStageY"
+                        Value="{Binding StageYPosition, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        GotFocus="NumStageY_GotFocus" LostFocus="NumStageY_LostFocus" KeyDown="NumStageY_KeyDown"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+
+                    <!-- Source Z -->
+                    <TextBlock Grid.Row="2" Grid.Column="0" Text="{loc:Localization AC_SourceZ}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"/>
+                    <telerik:RadNumericUpDown Grid.Row="2" Grid.Column="1" x:Name="NumSourceZ"
+                        Value="{Binding SourceZPosition, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        GotFocus="NumSourceZ_GotFocus" LostFocus="NumSourceZ_LostFocus" KeyDown="NumSourceZ_KeyDown"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+
+                    <!-- Detector Z -->
+                    <TextBlock Grid.Row="3" Grid.Column="0" Text="{loc:Localization AC_DetectorZ}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"/>
+                    <telerik:RadNumericUpDown Grid.Row="3" Grid.Column="1" x:Name="NumDetectorZ"
+                        Value="{Binding DetectorZPosition, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        GotFocus="NumDetectorZ_GotFocus" LostFocus="NumDetectorZ_LostFocus" KeyDown="NumDetectorZ_KeyDown"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+
+                    <!-- Detector Swing（动态显示/隐藏）| Dynamic visibility -->
+                    <TextBlock Grid.Row="4" Grid.Column="0" Text="{loc:Localization AC_DetectorSwing}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"
+                               Visibility="{Binding DetectorSwingVisibility}"/>
+                    <telerik:RadNumericUpDown Grid.Row="4" Grid.Column="1" x:Name="NumDetSwing"
+                        Value="{Binding DetectorSwingAngle, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        GotFocus="NumDetSwing_GotFocus" LostFocus="NumDetSwing_LostFocus" KeyDown="NumDetSwing_KeyDown"
+                        Visibility="{Binding DetectorSwingVisibility}"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+
+                    <!-- Stage Rotation（动态显示/隐藏）| Dynamic visibility -->
+                    <TextBlock Grid.Row="5" Grid.Column="0" Text="{loc:Localization AC_StageRotation}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"
+                               Visibility="{Binding StageRotationVisibility}"/>
+                    <telerik:RadNumericUpDown Grid.Row="5" Grid.Column="1" x:Name="NumStageRot"
+                        Value="{Binding StageRotationAngle, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        GotFocus="NumStageRot_GotFocus" LostFocus="NumStageRot_LostFocus" KeyDown="NumStageRot_KeyDown"
+                        Visibility="{Binding StageRotationVisibility}"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+
+                    <!-- Fixture Rotation（动态显示/隐藏）| Dynamic visibility -->
+                    <TextBlock Grid.Row="6" Grid.Column="0" Text="{loc:Localization AC_FixtureRotation}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"
+                               Visibility="{Binding FixtureRotationVisibility}"/>
+                    <telerik:RadNumericUpDown Grid.Row="6" Grid.Column="1" x:Name="NumFixtureRot"
+                        Value="{Binding FixtureRotationAngle, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        GotFocus="NumFixtureRot_GotFocus" LostFocus="NumFixtureRot_LostFocus" KeyDown="NumFixtureRot_KeyDown"
+                        Visibility="{Binding FixtureRotationVisibility}"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+                </Grid>
+            </GroupBox>
+
+            <!-- 安全参数输入框组 | Safety Parameter Inputs -->
+            <GroupBox Margin="0,0,0,6">
+                <GroupBox.Header>
+                    <TextBlock Text="{loc:Localization AC_SafetyParams}" FontWeight="Bold" FontSize="12"/>
+                </GroupBox.Header>
+                <Grid Margin="5">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="Auto" MinWidth="80"/>
+                        <ColumnDefinition Width="*"/>
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                    </Grid.RowDefinitions>
+
+                    <!-- 安全高度 | Safety Height -->
+                    <TextBlock Grid.Row="0" Grid.Column="0" Text="{loc:Localization AC_SafetyHeight}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"/>
+                    <telerik:RadNumericUpDown Grid.Row="0" Grid.Column="1" x:Name="NumSafetyHeight"
+                        Value="{Binding SafetyHeight, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        KeyDown="NumSafetyHeight_KeyDown"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+
+                    <!-- 校准计算值 | Calibration Value -->
+                    <TextBlock Grid.Row="1" Grid.Column="0" Text="{loc:Localization AC_CalibrationValue}"
+                               FontSize="12" VerticalAlignment="Center" Margin="0,2"/>
+                    <telerik:RadNumericUpDown Grid.Row="1" Grid.Column="1" x:Name="NumCalibration"
+                        Value="{Binding CalibrationValue, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                        ValueFormat="Numeric" NumberDecimalDigits="2" SmallChange="0.1" IsEditable="True"
+                        KeyDown="NumCalibration_KeyDown"
+                        Margin="4,2" telerik:StyleManager.Theme="Crystal"/>
+                </Grid>
+            </GroupBox>
+
+            <!-- 错误信息显示 | Error Message Display -->
+            <TextBlock Text="{Binding ErrorMessage}" FontSize="11" Foreground="#FFE53935"
+                       TextWrapping="Wrap" Margin="0,2">
+                <TextBlock.Style>
+                    <Style TargetType="TextBlock">
+                        <Setter Property="Visibility" Value="Visible"/>
+                        <Style.Triggers>
+                            <DataTrigger Binding="{Binding ErrorMessage}" Value="{x:Null}">
+                                <Setter Property="Visibility" Value="Collapsed"/>
+                            </DataTrigger>
+                            <DataTrigger Binding="{Binding ErrorMessage}" Value="">
+                                <Setter Property="Visibility" Value="Collapsed"/>
+                            </DataTrigger>
+                        </Style.Triggers>
+                    </Style>
+                </TextBlock.Style>
+            </TextBlock>
+        </StackPanel>
+
+        <!-- ========== 右侧区域：摇杆 + 操作按钮 | Right: Joysticks + Action Buttons ========== -->
+        <Grid Grid.Column="1">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="*"/>
+                <RowDefinition Height="Auto"/>
+            </Grid.RowDefinitions>
+
+            <!-- 摇杆区域 | Joystick Area -->
+            <StackPanel Grid.Row="0" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
+
+                <!-- 单轴摇杆（SingleAxisY）：Source_Z / Detector_Z | Single-axis joystick -->
+                <controls:VirtualJoystick x:Name="SingleJoystick"
+                    JoystickMode="SingleAxisY"
+                    Width="150" Height="200"
+                    IsEnabled="{Binding IsJoystickEnabled}"
+                    DefaultTopIcon="↑" DefaultBottomIcon="↓"
+                    LeftButtonTopIcon="Src↑" LeftButtonBottomIcon="Src↓"
+                    RightButtonTopIcon="Det↑" RightButtonBottomIcon="Det↓"
+                    Margin="0,0,16,0"/>
+
+                <!-- 双轴摇杆（DualAxis）：Stage X/Y + Swing/Rotation | Dual-axis joystick -->
+                <controls:VirtualJoystick x:Name="DualJoystick"
+                    JoystickMode="DualAxis"
+                    Width="200" Height="200"
+                    IsEnabled="{Binding IsJoystickEnabled}"
+                    DefaultTopIcon="↑" DefaultBottomIcon="↓" DefaultLeftIcon="←" DefaultRightIcon="→"
+                    LeftButtonTopIcon="Y+" LeftButtonBottomIcon="Y-" LeftButtonLeftIcon="X-" LeftButtonRightIcon="X+"
+                    RightButtonTopIcon="Rot+" RightButtonBottomIcon="Rot-" RightButtonLeftIcon="Swing-" RightButtonRightIcon="Swing+"/>
+            </StackPanel>
+
+            <!-- 操作按钮区域 | Action Buttons Area -->
+            <StackPanel Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,8,0,0">
+
+                <!-- 使能开关 | Enable Toggle -->
+                <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0,0,12,0">
+                    <TextBlock Text="{loc:Localization AC_Enable}" FontSize="12" VerticalAlignment="Center" Margin="0,0,6,0"/>
+                    <telerik:RadToggleSwitchButton IsChecked="{Binding IsJoystickEnabled, Mode=TwoWay}"
+                        Command="{Binding ToggleEnableCommand}"
+                        telerik:StyleManager.Theme="Crystal"/>
+                </StackPanel>
+
+                <!-- 保存按钮 | Save Button -->
+                <telerik:RadButton Content="{loc:Localization AC_Save}"
+                    Command="{Binding SavePositionsCommand}"
+                    Width="70" Height="28" Margin="4,0" FontSize="12"
+                    telerik:StyleManager.Theme="Crystal">
+                    <telerik:RadButton.Background>
+                        <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
+                            <GradientStop Color="White"/>
+                            <GradientStop Color="#FF62B8E0" Offset="1"/>
+                        </LinearGradientBrush>
+                    </telerik:RadButton.Background>
+                </telerik:RadButton>
+
+                <!-- 恢复按钮 | Restore Button -->
+                <telerik:RadButton Content="{loc:Localization AC_Restore}"
+                    Command="{Binding RestorePositionsCommand}"
+                    Width="70" Height="28" Margin="4,0" FontSize="12"
+                    telerik:StyleManager.Theme="Crystal">
+                    <telerik:RadButton.Background>
+                        <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
+                            <GradientStop Color="White"/>
+                            <GradientStop Color="#FFFFD54F" Offset="1"/>
+                        </LinearGradientBrush>
+                    </telerik:RadButton.Background>
+                </telerik:RadButton>
+            </StackPanel>
+        </Grid>
+    </Grid>
+</UserControl>

XP.Hardware.MotionControl/Views/AxisControlView.xaml.cs

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+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using XP.Common.Controls;
+using XP.Hardware.MotionControl.ViewModels;
+
+namespace XP.Hardware.MotionControl.Views
+{
+    /// <summary>
+    /// 轴控制面板视图 | Axis Control Panel View
+    /// 集成摇杆、轴位置输入框、安全参数和使能控制的 UserControl
+    /// UserControl integrating joysticks, axis position inputs, safety parameters and enable control
+    /// </summary>
+    public partial class AxisControlView : UserControl
+    {
+        public AxisControlView()
+        {
+            InitializeComponent();
+
+            // 监听摇杆只读依赖属性变化，推送到 ViewModel | Listen to joystick read-only DP changes and push to ViewModel
+            var dualOutputXDesc = DependencyPropertyDescriptor.FromProperty(VirtualJoystick.OutputXProperty, typeof(VirtualJoystick));
+            var dualOutputYDesc = DependencyPropertyDescriptor.FromProperty(VirtualJoystick.OutputYProperty, typeof(VirtualJoystick));
+            var dualButtonDesc = DependencyPropertyDescriptor.FromProperty(VirtualJoystick.ActiveMouseButtonProperty, typeof(VirtualJoystick));
+            var singleOutputYDesc = DependencyPropertyDescriptor.FromProperty(VirtualJoystick.OutputYProperty, typeof(VirtualJoystick));
+            var singleButtonDesc = DependencyPropertyDescriptor.FromProperty(VirtualJoystick.ActiveMouseButtonProperty, typeof(VirtualJoystick));
+
+            dualOutputXDesc?.AddValueChanged(DualJoystick, (s, e) =>
+            {
+                if (ViewModel != null) ViewModel.DualJoystickOutputX = DualJoystick.OutputX;
+            });
+            dualOutputYDesc?.AddValueChanged(DualJoystick, (s, e) =>
+            {
+                if (ViewModel != null) ViewModel.DualJoystickOutputY = DualJoystick.OutputY;
+            });
+            dualButtonDesc?.AddValueChanged(DualJoystick, (s, e) =>
+            {
+                if (ViewModel != null) ViewModel.DualJoystickActiveButton = DualJoystick.ActiveMouseButton;
+            });
+            singleOutputYDesc?.AddValueChanged(SingleJoystick, (s, e) =>
+            {
+                if (ViewModel != null) ViewModel.SingleJoystickOutputY = SingleJoystick.OutputY;
+            });
+            singleButtonDesc?.AddValueChanged(SingleJoystick, (s, e) =>
+            {
+                if (ViewModel != null) ViewModel.SingleJoystickActiveButton = SingleJoystick.ActiveMouseButton;
+            });
+        }
+
+        /// <summary>
+        /// 获取当前 ViewModel 实例 | Get current ViewModel instance
+        /// </summary>
+        private AxisControlViewModel ViewModel => DataContext as AxisControlViewModel;
+
+        #region Stage X 事件处理 | Stage X Event Handlers
+
+        private void NumStageX_GotFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.SetEditing(nameof(AxisControlViewModel.StageXPosition), true);
+        }
+
+        private void NumStageX_LostFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.CancelEditing(nameof(AxisControlViewModel.StageXPosition));
+        }
+
+        private void NumStageX_KeyDown(object sender, KeyEventArgs e)
+        {
+            HandleAxisKeyDown(nameof(AxisControlViewModel.StageXPosition), e);
+        }
+
+        #endregion
+
+        #region Stage Y 事件处理 | Stage Y Event Handlers
+
+        private void NumStageY_GotFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.SetEditing(nameof(AxisControlViewModel.StageYPosition), true);
+        }
+
+        private void NumStageY_LostFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.CancelEditing(nameof(AxisControlViewModel.StageYPosition));
+        }
+
+        private void NumStageY_KeyDown(object sender, KeyEventArgs e)
+        {
+            HandleAxisKeyDown(nameof(AxisControlViewModel.StageYPosition), e);
+        }
+
+        #endregion
+
+        #region Source Z 事件处理 | Source Z Event Handlers
+
+        private void NumSourceZ_GotFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.SetEditing(nameof(AxisControlViewModel.SourceZPosition), true);
+        }
+
+        private void NumSourceZ_LostFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.CancelEditing(nameof(AxisControlViewModel.SourceZPosition));
+        }
+
+        private void NumSourceZ_KeyDown(object sender, KeyEventArgs e)
+        {
+            HandleAxisKeyDown(nameof(AxisControlViewModel.SourceZPosition), e);
+        }
+
+        #endregion
+
+        #region Detector Z 事件处理 | Detector Z Event Handlers
+
+        private void NumDetectorZ_GotFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.SetEditing(nameof(AxisControlViewModel.DetectorZPosition), true);
+        }
+
+        private void NumDetectorZ_LostFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.CancelEditing(nameof(AxisControlViewModel.DetectorZPosition));
+        }
+
+        private void NumDetectorZ_KeyDown(object sender, KeyEventArgs e)
+        {
+            HandleAxisKeyDown(nameof(AxisControlViewModel.DetectorZPosition), e);
+        }
+
+        #endregion
+
+        #region Detector Swing 事件处理 | Detector Swing Event Handlers
+
+        private void NumDetSwing_GotFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.SetEditing(nameof(AxisControlViewModel.DetectorSwingAngle), true);
+        }
+
+        private void NumDetSwing_LostFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.CancelEditing(nameof(AxisControlViewModel.DetectorSwingAngle));
+        }
+
+        private void NumDetSwing_KeyDown(object sender, KeyEventArgs e)
+        {
+            HandleAxisKeyDown(nameof(AxisControlViewModel.DetectorSwingAngle), e);
+        }
+
+        #endregion
+
+        #region Stage Rotation 事件处理 | Stage Rotation Event Handlers
+
+        private void NumStageRot_GotFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.SetEditing(nameof(AxisControlViewModel.StageRotationAngle), true);
+        }
+
+        private void NumStageRot_LostFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.CancelEditing(nameof(AxisControlViewModel.StageRotationAngle));
+        }
+
+        private void NumStageRot_KeyDown(object sender, KeyEventArgs e)
+        {
+            HandleAxisKeyDown(nameof(AxisControlViewModel.StageRotationAngle), e);
+        }
+
+        #endregion
+
+        #region Fixture Rotation 事件处理 | Fixture Rotation Event Handlers
+
+        private void NumFixtureRot_GotFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.SetEditing(nameof(AxisControlViewModel.FixtureRotationAngle), true);
+        }
+
+        private void NumFixtureRot_LostFocus(object sender, RoutedEventArgs e)
+        {
+            ViewModel?.CancelEditing(nameof(AxisControlViewModel.FixtureRotationAngle));
+        }
+
+        private void NumFixtureRot_KeyDown(object sender, KeyEventArgs e)
+        {
+            HandleAxisKeyDown(nameof(AxisControlViewModel.FixtureRotationAngle), e);
+        }
+
+        #endregion
+
+        #region 安全参数键盘事件 | Safety Parameter Key Events
+
+        private void NumSafetyHeight_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Enter)
+            {
+                ViewModel?.ConfirmSafetyHeight();
+                e.Handled = true;
+            }
+        }
+
+        private void NumCalibration_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Enter)
+            {
+                ViewModel?.ConfirmCalibrationValue();
+                e.Handled = true;
+            }
+        }
+
+        #endregion
+
+        #region 通用键盘处理 | Common Key Handler
+
+        /// <summary>
+        /// 轴输入框通用键盘处理：Enter 确认，Escape 取消 | Common axis input key handler: Enter to confirm, Escape to cancel
+        /// </summary>
+        private void HandleAxisKeyDown(string propertyName, KeyEventArgs e)
+        {
+            if (ViewModel == null) return;
+
+            switch (e.Key)
+            {
+                case Key.Enter:
+                    ViewModel.ConfirmPosition(propertyName);
+                    e.Handled = true;
+                    break;
+                case Key.Escape:
+                    ViewModel.CancelEditing(propertyName);
+                    e.Handled = true;
+                    break;
+            }
+        }
+
+        #endregion
+    }
+}