ViewModels/D7896ViewModel.cs

@@ -52,7 +52,7 @@ public partial class D7896ViewModel : ObservableObject
     [ObservableProperty] private PlotModel _temperatureCurveModel;
 
     // UI 绑定属性 (与之前一致)
-    public ObservableCollection<string> ReferenceLiquids { get; } = new() { "蒸馏水", "甲苯", "乙二醇" };
+    public ObservableCollection<string> ReferenceLiquids { get; } = new() { "蒸馏水" };
     [ObservableProperty] private string _sampleId = "未命名样品";
     [ObservableProperty] private double _testTemperature = 25.0;
     [ObservableProperty] private string _testDateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

Views/D7896View.xaml

@@ -136,7 +136,7 @@
                         <CheckBox IsChecked="{Binding PlatinumCompatible}" Content="铂兼容性 (1.4)" Margin="0,0,15,0"/>
                         <CheckBox IsChecked="{Binding AmbientCalibrated}" Content="环境温度校准 (8.1)" Margin="0,0,15,0"/>
                         <TextBlock Text="状态:" VerticalAlignment="Center" Margin="20,0,5,0"/>
-                        <TextBox Text="{Binding StatusMessage}" Width="200" IsReadOnly="True" Background="#FFF7E6"/>
+                        <TextBox Text="{Binding StatusMessage}" Width="260" IsReadOnly="True" Background="#FFF7E6"/>
                     </WrapPanel>
                 </StackPanel>
             </Border>
@@ -218,7 +218,7 @@
                           CanUserAddRows="False" IsReadOnly="True" 
                           HeadersVisibility="Column" GridLinesVisibility="Horizontal"
                           RowHeight="28" MinHeight="150">
-                    
+
                     <DataGrid.Columns>
                         <DataGridTextColumn Header="序号" Binding="{Binding Index}" Width="60">
                             <DataGridTextColumn.ElementStyle>
@@ -324,7 +324,7 @@
                     <TextBlock Text="系统校准 (附录A3)" FontWeight="Bold" Margin="0,0,0,5"/>
                     <WrapPanel>
                         <TextBlock Text="参考液:" VerticalAlignment="Center"/>
-                        <ComboBox ItemsSource="{Binding ReferenceLiquids}" SelectedItem="{Binding SelectedReferenceLiquid}" Width="100" Margin="5,0"/>
+                        <ComboBox ItemsSource="{Binding ReferenceLiquids}"  IsReadOnly="True" SelectedItem="{Binding SelectedReferenceLiquid}" Width="100" Margin="5,0"/>
                         <TextBlock Text="参考热导率 (W/m·K):" VerticalAlignment="Center" Margin="10,0,5,0"/>
                         <TextBox Text="{Binding ReferenceConductivity}" Width="70" Margin="0,0,10,0"/>
                         <!--<Button Content="开始校准" Command="{Binding PerformSystemCalibrationCommand}" Width="100"/>-->