WPF XAML本地（儿童）样式被覆盖。为什么？

Question

我写了一个简单的对话框（XAML/WPF）和一个测试应用程序，对话框看起来不错。特别是，ListView中的按钮具有圆角。我已经发布了一张图片和下面的代码。 问题？当我在更大的程序中使用此对话框（代码库太大而无法共享）时，圆角和其他样式就消失了。我强烈怀疑较大的计划中的某些事情优先于我的本地工作。也许是按钮或类似东西的全球风格？

1. 我想了解发生了什么。大概是主应用程序中的某些内容优先于我的XAML工作？
2. 我想知道是否有一种方法可以说“不要从应用程序本身继承样式。宁愿使用wpf默认值，除非我覆盖它们。”假设这是问题。”

请参阅图片（注意圆角）

从实际主应用程序调用它的情况下，请参阅图片，而不是测试应用程序

通知，尤其是缺少圆角。我生产圆角的工作已经消失了！另外，在测试应用程序中，悬停在按钮上显示蓝色，我认为这是默认的（我没有这样做）。当从主应用程序调用时，没有这种悬停效应。我怀疑主应用程序摆脱了某个地方。

这是简单的对话框XAML

<Window x:Class="FirmsDialog"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:Dialogs"
                
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="400"
        Width="390" Height="720" BorderBrush="LightGray"
        WindowStartupLocation="CenterScreen" ResizeMode="NoResize"
         x:Name="FirmsViewDlg" Loaded="FirmsViewDlg_Loaded"
        >

    <Window.Resources>
        <FontFamily x:Key="AvenirNextforCompany">
            pack://application:,,,/Assets/Fonts/#AvenirNextforCompany
        </FontFamily>
        <local:ReverseObjectToBool x:Key="ReverseObjectToBoolConverter" />

        <local:ObjectToBool x:Key="ObjectToBoolConverter" />
       
        
        

        
        <!-- New style -->
        <Style x:Key="StyleListViewItem" TargetType="ListViewItem">
            <Style.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter Property="Background" Value="Green"/>
                </Trigger>
                <Trigger Property="IsSelected" Value="True">
                    <Setter Property="Background" Value="Blue"/>
                </Trigger>
            </Style.Triggers>
            
        </Style>

        <!-- Existing style -->
        <Style x:Key="StyleListView" TargetType="ListView">
            <Setter Property="ItemContainerStyle" Value="{StaticResource StyleListViewItem}"/>
            <Setter Property="SnapsToDevicePixels" Value="true"/>
            <!-- ... -->
        </Style>
    </Window.Resources>

    <Grid >
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"></RowDefinition>
            <RowDefinition Height="Auto"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"></ColumnDefinition>
        </Grid.ColumnDefinitions>

        <Label Grid.Row="0" Content="Select Company" HorizontalAlignment="Center" FontSize="20px" Foreground="#393a3d" FontFamily="{StaticResource AvenirNextforCompany}" FontWeight="Normal"  ></Label>
        <Label Grid.Row="1" Content="Accountant companies" Margin="10,0" FontFamily="{StaticResource AvenirNextforCompany}" FontSize="14px" Foreground="#8d9096" FontWeight="Normal"></Label>
        <ListView  BorderThickness="0" Grid.Row="2" ItemsSource="{Binding RealmMembershipInfo}"  SelectedItem="{Binding SelectedFirm}"   x:Name="realmListBox" 
                   HorizontalContentAlignment="Stretch"  HorizontalAlignment="Stretch" Height="Auto" Margin="0,0,0,0"
                   VerticalAlignment="Top"  FontWeight="Bold" FontSize="14" Background="White"              
                   ScrollViewer.HorizontalScrollBarVisibility="Disabled"
                    BorderBrush="LightGray">
            
            <ListView.ItemTemplate>
                <DataTemplate>
                    <Button  Click="Button_Click" 
                       
                         MinHeight="65" Padding="10,0,10,0"
                        Margin="0,0,0,0"            HorizontalContentAlignment="Left" HorizontalAlignment="Stretch"     BorderBrush="LightGray"    Background="White" Foreground="#393a3d"  FontFamily="{StaticResource AvenirNextforCompany}" FontSize="14px" FontWeight="SemiBold"
                            
                        >
                        <Button.Resources>
                            <Style TargetType="Border">
                                <Setter Property="CornerRadius" Value="9"/>


                            </Style>

                        </Button.Resources>
                        <TextBlock Text="{Binding displayName}"  TextWrapping="Wrap" HorizontalAlignment="Stretch"  Foreground="#393a3d"  FontFamily="{StaticResource AvenirNextforCompany}" FontSize="14px" FontWeight="Bold" >

                        </TextBlock>

                    </Button>
                </DataTemplate>
            </ListView.ItemTemplate>

            <ListView.ItemContainerStyle>
                <Style TargetType="ListViewItem">
                    <Setter Property="BorderThickness" Value="0"/>
                    <Setter Property="Margin" Value="10,10,10,10"/>
                    <Setter Property="Padding" Value="0"/>
                    <Style.Triggers>
                        <Trigger Property="Control.IsMouseOver" Value="True">
                            <Setter Property="Control.Background" Value="Transparent" />
                            <Setter Property="BorderBrush" Value="Transparent" />
                            <Setter Property="BorderThickness" Value="0" />
                        </Trigger>
                    </Style.Triggers>
                </Style>
            </ListView.ItemContainerStyle>
        </ListView>

    </Grid>
</Window>

简单程序以显示上面的XAML

using Dialogs;
using Models;
using System.Collections.Generic;
using System.Windows;

namespace TestApp
{
   /// <summary>
   /// Interaction logic for MainWindow.xaml
   /// </summary>
   public partial class MainWindow : Window
   {
      public MainWindow()
      {
         InitializeComponent();
      }

      private void Button_SelectFirm(object sender, RoutedEventArgs e)
      {
         // hack code to set up dialog
         RealmMembershipInfo realmInfo = new RealmMembershipInfo();
         realmInfo.realmMembershipInfo = new List<RealmMembershipItem>();

         RealmMembershipItem item = new RealmMembershipItem();
         item.displayName = "Company 1";        
         realmInfo.realmMembershipInfo.Add(item);

         item = new RealmMembershipItem();
         item.displayName = "Company2";         
         realmInfo.realmMembershipInfo.Add(item);

         

         FirmsDialog dlg = new FirmsDialog(realmInfo);
         dlg.ShowDialog();
         MessageBox.Show("Your picked firm: " + dlg.SelectedFirm);
         
      }

      private void Button_SelectClient(object sender, RoutedEventArgs e)
      {
        
      }
   }
}

Answer 1

您尚未在listView上设置样式。

<ListView Style={StaticResource StyleListView} ....

而且，您正在为项目范围内使用默认样式。您需要添加基本样式。

 <ListView.ItemContainerStyle>
            <Style TargetType="ListViewItem" BasedOn={StaticResource StyleListViewItem}...