wpf 相关问题

Windows Presentation Foundation或WPF是用于在基于Windows的应用程序中呈现用户界面的子系统。

如何反转WPF网格布局中的列顺序？

我正在用 C# 构建一个 WPF 应用程序。我正在尝试使用网格布局实现两列布局，类似于浏览器侧边栏。网格被实现为 3 列布局，因为我使用的是

c# wpf wpf-controls wpf-grid

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具有验证错误样式的 WPF Datagrid 单元格

当出现验证错误时，我尝试更改 DataGridCell（在 WPF 工具包 DataGrid 中）的默认样式。默认为红色边框。我怎样才能放置自己的模板？谢谢。

wpf validation datagrid wpftoolkit datagridcell

回答 4 投票 0

模糊WPF容器的背景

最终，我想要实现的是在某种程度上复制 WPF 内容控件的 Aero glass 功能。如果我将 BlurEffect 应用于包含 TextBlock 的 StackPanel，我...

.net wpf effects blur

回答 5 投票 0

2024 年如何安全地分发企业 WPF 应用程序？

我们有一个用WPF编写的企业Windows桌面应用程序，基于net8。它用于有时处于离线状态且仅通过移动数据连接到互联网的 PC。该应用程序收到

wpf clickonce msix

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WPF 触发器和 VisualState 同时实现？

如何同时使用 Trigger IsSelected 和 VisualState MouseOver？如果未选择某个元素并将其悬停，我不想应用样式。单独的触发器很简单：如何同时使用 Trigger IsSelected 和 VisualState MouseOver？如果未选择某个元素并将其悬停，我不想应用样式。单独触发器很简单： <ControlTemplate.Triggers> <Trigger Property="IsSelected" Value="True"> ... </Trigger> </ControlTemplate.Triggers> 仅 VisualStates 也是如此： <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="CommonStates"> <VisualState x:Name="MouseOver"> <Storyboard> ... </Storyboard> </VisualState> </VisualStateGroup> </VisualStateManager.VisualStateGroups> 但是我该如何结合这些呢？您可以在新的 VisualState x:Name="Selected" 中定义 VisualStateGroup x:Name="SelectedStates"。然后，因为每次控件只有来自每组的一个状态，所以 MouseOver 和 Selected 是彼此独立的。请参阅Mitesh Sureja 的博客。 <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="CommonStates"> <VisualState x:Name="MouseOver"> <Storyboard> ... </Storyboard> </VisualState> </VisualStateGroup> <VisualStateGroup x:Name="SelectedStates"> <VisualState x:Name="Selected"> <Storyboard> ... </Storyboard> </VisualState> </VisualStateGroup> </VisualStateManager.VisualStateGroups> 或者你可以按照克莱门斯的建议去做。请参阅视觉状态管理器与 WPF 中的触发器。编辑 <Style.Triggers> <MultiTrigger> <MultiTrigger.Conditions> <Condition Property="IsSelected" Value="True" /> <Condition Property="IsMouseOver" Value="True" /> </MultiTrigger.Conditions> <Setter ... /> </MultiTrigger> </Style.Triggers> 刚刚遇到了类似的问题并最终来到这里，因此如果您需要一个适合我的用例的视觉状态解决方案。根据您想要优先的顺序更改 MouseOver 和 Selected 的顺序。 <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="CommonStates"> <VisualState x:Name="Normal" /> <VisualState x:Name="MouseOver"> <Storyboard> ... </Storyboard> </VisualState> <VisualState x:Name="Selected"> <Storyboard> ... </Storyboard> </VisualState> </VisualStateGroup> </VisualStateManager.VisualStateGroups> 问题是它仍然会同时触发鼠标悬停在单独的项目上并选择。

wpf xaml

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DataGridRowHeader IsPressed 事件不更改背景

我有一个 DataGridRowHeader 的自定义样式，并且 Trigger IsPressed 似乎没有触发。 IsMouseOver 工作正常。我基本上具有与 DataGridColumnHe 触发器相同的样式...

wpf xaml triggers controltemplate

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C# WPF：将矩形坐标转换为屏幕坐标以进行屏幕捕获

我正在使用 WPF 在 C# 中创建一个屏幕捕获应用程序，用户可以在屏幕上绘制一个矩形，应用程序捕获该矩形后面的内容 - 类似于 Windows Snipp...

c# wpf coordinates rectangles screen-capture

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使用 VisualStateManager 在数据模板中实现 WPF 动画

当您尝试为某些数据模板输入 VisualStates 时，这是非常常见的问题。下面的代码工作正常，但前提是我使用 FrameworkElement，例如自定义 UserControl：当您尝试输入 VisualStates 来表示某些 DataTemplate 时，这是很常见的问题。下面的代码工作正常，但前提是我使用 FrameworkElement，例如自定义 UserControl: <UserControl>  <Grid x:Name="rootgrid"> <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="States"> <Storyboard x:Key="Focused"> <ColorAnimationUsingKeyFrames Storyboard.TargetName="ellipse" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"> <EasingColorKeyFrame KeyTime="0:0:0.1" Value="#FFE90B0B"/> </ColorAnimationUsingKeyFrames> </Storyboard> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <Ellipse x:Name="ellipse" Width="26" Height="26" Fill="Yellow" SnapsToDevicePixels="True" Stretch="Fill" Stroke="Black" StrokeThickness="2"> <Ellipse.RenderTransform> <TransformGroup> <ScaleTransform/> <SkewTransform/> <RotateTransform/> <TranslateTransform/> </TransformGroup> </Ellipse.RenderTransform> </Ellipse> </Grid> </UserControl> 但是当我尝试将代码粘贴到DataTemplate中时： <DataTemplate x:Key="MyDataTemplate"> <Grid x:Name="rootgrid"> ... Code the same as above... </Grid> </DataTemplate> 然后我将“MyDataTemplate”应用到我的自定义元素（类，它实现 ContentTemplate 依赖属性），在这种情况下我无法使用动画状态“Focused”。即使我通过 VisualTree 获得一个名为“rootgrid”的网格对象并使用它： VisualStateManager.GoToState(rootgrid, "Focused", true); 什么也没发生...:( 问题是如何将 VisualStates 中实现的 DataTemplate（动画）用于非 FrameworkElement 对象？对于OP来说，答案可能为时已晚，但对于其他遇到这个问题的人来说：可以在 VisualStateManager 中使用 DataTemplate。关键是使用包含 VisualStateManager.GoToElementState 的 VisualStateManager.GoToState 来调用 FrameworkElement 而不是 VisualStateManager。顺便说一句，上面的 XAML 没有正确指定 Focused 的 VisualState，应该更改为： <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="States"> <VisualState Name="Focused"> <StoryBoard> 等等

wpf animation datatemplate visualstatemanager

回答 1 投票 0

WPF 从 CodeBehind 更新 VievModel 绑定的 ListBox

我是 WPF/MVVM 的新手，并获得两个带有两个按钮的列表框，一个用于将所选元素从左侧列表框复制到右侧列表框，然后使用第二个按钮返回。启动时左侧列表框是

c# wpf data-binding

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根据表格（DataGrid）的选定行设置按钮（ICommand）的操作

我有一个窗口 WPF 和 2 个表 DataGrid。 DataContext 绑定到类 PersonalTaskClassPickerViewModel.cs。 PersonalTaskClassPicker.xaml 我有一个窗口 WPF 和 2 个表 DataGrid。 DataContext 绑定到类 PersonalTaskClassPickerViewModel.cs。 PersonalTaskClassPicker.xaml <Window x:Class="WpfAppTaskPlanner.PersonalTaskClassPicker" 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:viewModels="clr-namespace:WpfAppTaskPlanner.ViewModels" xmlns:views="clr-namespace:WpfAppTaskPlanner" xmlns:taskClassDirectory="clr-namespace:Library.TaskClassDirectory;assembly=Library" mc:Ignorable="d" Title="MainWindow" Height="850" Width="1500" d:DataContext="{d:DesignInstance viewModels:PersonalTaskClassPickerViewModel}"> <Window.Resources> <viewModels:OutputValueConverter x:Key="OutputValueConverter"></viewModels:OutputValueConverter> <DataTemplate x:Key="CustomDataGridHeaderTemplate"> <views:CustomDataGridHeader></views:CustomDataGridHeader> </DataTemplate> </Window.Resources> <DockPanel LastChildFill="True"> <StackPanel Orientation="Horizontal" FlowDirection="RightToLeft" DockPanel.Dock="Bottom">  <Button HorizontalAlignment="Center" VerticalAlignment="Center" Content="Удалить задачу" Width="100" Height="40" Margin="15 5" Command="{Binding RemoveTaskClassCommand}" CommandParameter="{Binding RelativeSource={RelativeSource AncestorType=Window}}"/> </StackPanel> <StackPanel DockPanel.Dock="Top"> <TextBlock Text="Связанные задачи" Margin="0 5"></TextBlock> <DataGrid x:Name="DataGridRelatedPersonalTaskClass" DockPanel.Dock="Top" ItemsSource="{Binding SelectedTaskPerformerClass.PersonalTaskClassLists.RelatedList, FallbackValue='SelectedTaskPerformerClass не не выбран'}" SelectedItem="{Binding SelectedTaskClass, Mode=TwoWay}"> <DataGrid.Columns> <DataGridTextColumn Header="Участок" HeaderTemplate="{StaticResource CustomDataGridHeaderTemplate}" Binding="{Binding BrigadeIndex}" IsReadOnly="True"/>  </DataGrid.Columns> </DataGrid> <TextBlock Text="Удаленные задачи" Margin="0 5"></TextBlock> <DataGrid x:Name="DataGridDeletedPersonalTaskClass" DockPanel.Dock="Bottom" ItemsSource="{Binding SelectedTaskPerformerClass.PersonalTaskClassLists.DeletedList, FallbackValue='SelectedTaskPerformerClass не не выбран'}" SelectedItem="{Binding SelectedTaskClass, Mode=TwoWay}"> <DataGrid.Columns> <DataGridTextColumn Header="Участок" HeaderTemplate="{StaticResource CustomDataGridHeaderTemplate}" Binding="{Binding BrigadeIndex}" IsReadOnly="True"/>  </DataGrid.Columns> </DataGrid> </StackPanel> </DockPanel> </Window> PersonalTaskClassPicker.xaml.cs public partial class PersonalTaskClassPicker { public PersonalTaskClassPicker(ref TaskPerformerClass selectedTaskPerformerClass) { InitializeComponent(); DataContext = new PersonalTaskClassPickerViewModel(ref selectedTaskPerformerClass); } } PersonalTaskClassPickerViewModel.cs public class PersonalTaskClassPickerViewModel: BaseViewModel { public PersonalTaskClassPickerViewModel(ref TaskPerformerClass selectedTaskPerformerClass) { RemoveTaskClassCommand = new RelayCommand(RemoveTaskClass, CanRemoveTaskClass); // Other ICommand's } } BaseViewModel.cs public class BaseViewModel : BaseNotifyPropertyChanged { private TaskClass? _selectedTaskClass; public TaskClass? SelectedTaskClass { get => _selectedTaskClass; set { if (Equals(value, _selectedTaskClass)) { return; } if (SetField(ref _selectedTaskClass, value)) { CallRaiseCanExecuteChanged(RemoveTaskClassCommand); } } } private TaskPerformerClass? _selectedTaskPerformerClass; public TaskPerformerClass? SelectedTaskPerformerClass { get => _selectedTaskPerformerClass; set { if (_selectedTaskPerformerClass != value) { _selectedTaskPerformerClass = value; OnPropertyChanged(); } } } public ICommand? RemoveTaskClassCommand { get; protected init; } public static void CallRaiseCanExecuteChanged(ICommand? command) { switch (command) { case AsyncRelayCommandWithParameter getToWorkCommand: getToWorkCommand.RaiseCanExecuteChanged(); break; case RelayCommand getToWorkCommand: getToWorkCommand.RaiseCanExecuteChanged(); break; } } protected bool CanRemoveTaskClass(object parameter) { if (parameter is not PersonalTaskClassPicker { DataContext: PersonalTaskClassPickerViewModel personalTaskClassPickerViewModel }) { return false; } if (personalTaskClassPickerViewModel.SelectedTaskPerformerClass is null) { MessageBox.Show("personalTaskClassPickerViewModel.SelectedTaskPerformerClass is null"); } else { var taskPerformer = personalTaskClassPickerViewModel.SelectedTaskPerformerClass; if (SelectedTaskClass is not null && taskPerformer.PersonalTaskClassLists.RelatedList is not null && taskPerformer.PersonalTaskClassLists.RelatedList.Contains(SelectedTaskClass)) { return true; } } return false; } protected void RemoveTaskClass(object parameter) { if (parameter is not PersonalTaskClassPicker { DataContext: PersonalTaskClassPickerViewModel personalTaskClassPickerViewModel }) { return; } if (personalTaskClassPickerViewModel.SelectedTaskPerformerClass is null) { MessageBox.Show("personalTaskClassPickerViewModel.SelectedTaskPerformerClass is null"); } else { var personalTaskClassListsOfTaskPerformerClass = personalTaskClassPickerViewModel.SelectedTaskPerformerClass.PersonalTaskClassLists; var selectedTaskClass = SelectedTaskClass; if (selectedTaskClass is not null && personalTaskClassListsOfTaskPerformerClass.RelatedList is not null && personalTaskClassListsOfTaskPerformerClass.RelatedList.Contains(selectedTaskClass)) { personalTaskClassListsOfTaskPerformerClass.RelatedList.Remove(selectedTaskClass); personalTaskClassListsOfTaskPerformerClass.DeletedList ??= new ObservableCollection<TaskClass>(); personalTaskClassListsOfTaskPerformerClass.DeletedList.Add(selectedTaskClass); personalTaskClassListsOfTaskPerformerClass.OnPropertyChanged( nameof(personalTaskClassListsOfTaskPerformerClass.RelatedList) ); personalTaskClassListsOfTaskPerformerClass.OnPropertyChanged( nameof(personalTaskClassListsOfTaskPerformerClass.DeletedList) ); CallRaiseCanExecuteChanged(RemoveTaskClassCommand); } } } } BaseNotifyPropertyChanged.cs public class BaseNotifyPropertyChanged : INotifyPropertyChanged { public event PropertyChangedEventHandler? PropertyChanged; protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } protected bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null) { if (EqualityComparer<T>.Default.Equals(field, value)) { return false; } field = value; OnPropertyChanged(propertyName); return true; } protected class RelayCommand : ICommand { private readonly Action<object> _execute; private readonly Predicate<object>? _canExecute; public RelayCommand(Action<object> execute, Predicate<object>? canExecute = null) { _execute = execute ?? throw new ArgumentNullException(nameof(execute)); _canExecute = canExecute; } public bool CanExecute(object? parameter) => _canExecute == null || _canExecute(parameter ?? "<N/A>"); public void Execute(object? parameter) { _execute(parameter ?? "<N/A>"); } public event EventHandler? CanExecuteChanged { add => CommandManager.RequerySuggested += value; remove => CommandManager.RequerySuggested -= value; } public void RaiseCanExecuteChanged() { CommandManager.InvalidateRequerySuggested(); } } //Other AsyncRelayCommand's } 从主 WPF 窗口调用 WPF 窗口，如下所示： public class MainViewModel : BaseViewModel { //Other code private static void OnEditPersonalTaskClassList(object parameter) { if (parameter is not TaskPerformerClass selectedTaskPerformerClass) { return; } var personalTaskClassEditor = new PersonalTaskClassPicker(ref selectedTaskPerformerClass); if (personalTaskClassEditor.ShowDialog() == true) { //Other commands } else { MessageBox.Show("DataContext закрытого окна не является типом TaskPerformerClass"); } } } TaskPerformerClass.cs namespace Library.TaskPerformerDirectory; public sealed class TaskPerformerClass : INotifyPropertyChanged { //Other private values private PersonalTaskClassCollection _personalTaskClassLists = null!; private TaskPerformerClass() { } public TaskPerformerClass( FullNameOfThePerson fullName, WorkDay workDay, CalendarYearOfTaskPerformer calendarYearOfTaskPerformer, int bitrixEmployeeIndex, List<Department>? bitrixEmployeeDepartmentList = null, TaskClass? actualTask = null ) { //Other initializations of properties PersonalTaskClassLists = new PersonalTaskClassCollection(this); } //Other property public PersonalTaskClassCollection PersonalTaskClassLists { get => _personalTaskClassLists; set { if (Equals(value, _personalTaskClassLists)) { return; } _personalTaskClassLists = value; OnPropertyChanged(); } } public event PropertyChangedEventHandler? PropertyChanged; public void OnPropertyChanged([CallerMemberName] string? propertyName = null) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } private bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null) { if (EqualityComparer<T>.Default.Equals(field, value)) { return false; } field = value; OnPropertyChanged(propertyName); return true; } } PersonalTaskClassCollection.cs public sealed class PersonalTaskClassCollection : INotifyPropertyChanged { private int _id; private int _taskPerformerClassId; private TaskPerformerClass _taskPerformerClass = null!; private ObservableCollection<TaskClass>? _completedList; private ObservableCollection<TaskClass>? _deletedList; private ObservableCollection<TaskClass>? _relatedList; private PersonalTaskClassCollection() { } public PersonalTaskClassCollection(TaskPerformerClass taskPerformerClass) => TaskPerformerClass = taskPerformerClass; public int Id { get => _id; set { if (value == _id) { return; } _id = value; OnPropertyChanged(); } } public int TaskPerformerClassId { get => _taskPerformerClassId; set { if (value == _taskPerformerClassId) { return; } _taskPerformerClassId = value; OnPropertyChanged(); } } public TaskPerformerClass TaskPerformerClass { get => _taskPerformerClass; set { if (Equals(value, _taskPerformerClass)) { return; } _taskPerformerClass = value; OnPropertyChanged(); } } public ObservableCollection<TaskClass>? RelatedList { get => _relatedList; set { if (Equals(value, _relatedList)) { return; } _relatedList = value; OnPropertyChanged(); } } public ObservableCollection<TaskClass>? DeletedList { get => _deletedList; set { if (Equals(value, _deletedList)) { return; } _deletedList = value; OnPropertyChanged(); } } public ObservableCollection<TaskClass>? CompletedList { get => _completedList; set { if (Equals(value, _completedList)) { return; } _completedList = value; OnPropertyChanged(); } } public event PropertyChangedEventHandler? PropertyChanged; public void OnPropertyChanged([CallerMemberName] string? propertyName = null) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } private bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null) { if (EqualityComparer<T>.Default.Equals(field, value)) { return false; } field = value; OnPropertyChanged(propertyName); return true; } } 我认为描述“TaskClass.cs”类没有任何意义。它只是一个包含任务属性的类。在“DataGridRelatedPersonalTaskClass”和“DataGridDeletedPersonalTaskClass”这两个表中随机选择一行后，“RemoveTaskClassCommand”按钮将永远无法更改“set”属性“SelectedTaskClass”的值。因此，如果单击它，“DataGridRelatedPersonalTaskClass”中下一个突出显示的任务将被删除。随着时间的推移，我意识到，如果我突出显示表中的每个问题，那么每个“DataGrid”的“SelectedItem”属性将继续处于活动状态，但我的“SelectedTaskClass”属性并不总是更新。尽管“IsMouseOver”属性始终正确显示我最后突出显示的表中的行。当选择“DataGridRelatedPersonalTaskClass”表中的一行时，我想正确配置“RemoveTaskClassCommand”按钮的活动。怎么办？首先，有一个重要的说明。您传递 Window 命令参数 CommandParameter="{Binding RelativeSource={RelativeSource AncestorType=Window}}"。由于此命令是一个 ViewModel 实体，并且根据 MVVM 规则，禁止将任何 UI 元素传递给 ViewModel，那么您的实现实际上完全破坏了 MVVM 合规性。关于你问题的本质。您的任务的可能实现选项之一的最简化示例。 namespace Core2024.SO.Zhan.question79147702 { public class SomeTextItem { private string _title = string.Empty; private string _text = string.Empty; private string _description = string.Empty; public string Title { get => _title; set => _title = value ?? string.Empty; } public string Text { get => _text; set => _text = value ?? string.Empty; } public string Description { get => _description; set => _description = value ?? string.Empty; } } } using Simplified; // This is the space with my implementation of INotifyPropertyChanged and ICommand interfaces. You can use your own implementations instead. using System.Collections.ObjectModel; namespace Core2024.SO.Zhan.question79147702 { public class SomeTextViewModel { private const string data = "After randomly selecting a row in each of the 2 tables \"DataGridRelatedPersonalTaskClass\" and \"DataGridDeletedPersonalTaskClass\", the \"RemoveTaskClassCommand\" button will never be able to change the value of the \"set\" property \"SelectedTaskClass\". Thus, if you click on it, the next highlighted task in the \"DataGridRelatedPersonalTaskClass\" will be deleted. Over time, I realized that if I highlighted each question in the tables, then the \"SelectedItem\" properties of each \"DataGrid\" continue to be active, but my \"SelectedTaskClass\" property is not always updated.Although the \"IsMouseOver\" property always correctly displays the row in which table I highlighted last."; private static IEnumerable<SomeTextItem> GetItems() { string[] split = data.Split(); for (int i = 2; i < split.Length; i+=3) { yield return new SomeTextItem() { Title = split[i-2], Text = split[i-1], Description = split[i] }; } } public SomeTextViewModel() { TextItems = new ObservableCollection<SomeTextItem>(GetItems()); RemoveTextItem = new RelayCommand<SomeTextItem> ( item => TextItems.Remove(item), item => TextItems.Contains(item) ); } public ObservableCollection<SomeTextItem> TextItems { get; } public RelayCommand RemoveTextItem { get; } } } <Window x:Class="Core2024.SO.Zhan.question79147702.SomeTextWindow" 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:local="clr-namespace:Core2024.SO.Zhan.question79147702" mc:Ignorable="d" Title="SomeTextWindow" Height="450" Width="800" DataContext="{DynamicResource vm}"> <Window.Resources> <local:SomeTextViewModel x:Key="vm"/> </Window.Resources> <Grid> <DataGrid ItemsSource="{Binding TextItems}"> <DataGrid.Columns> <DataGridTemplateColumn> <DataGridTemplateColumn.CellTemplate> <DataTemplate DataType="{x:Type local:SomeTextItem}"> <Button Content="Remove Item" CommandParameter="{Binding Mode=OneWay}" Command="{Binding RemoveTextItem, Mode=OneWay, Source={StaticResource vm}}"/> </DataTemplate> </DataGridTemplateColumn.CellTemplate> </DataGridTemplateColumn> </DataGrid.Columns> </DataGrid> </Grid> </Window>

wpf datagrid inotifypropertychanged relaycommand

回答 1 投票 0

WPF。创建按钮模板：绑定模板元素的值

我已经工作了几天，尝试从我拥有的实现中完全创建按钮样式。我一直能完成大部分工作，但无法按照我需要的方式完全配置它......

c# wpf xaml styles

回答 1 投票 0

如何将属性绑定到 wpf 中 UserControl 中的 DependencyObject？

我有一个窗口和该窗口的视图模型。在该视图模型中，我有一个名为“描述”的属性，它每秒更新一次。我还有一个名为 CustomControl 的用户控件，它...

c# wpf

回答 1 投票 0

在 DataGrid 内滚动父容器

我有这个自定义数据网格。我想要实现的是，当用户将鼠标放在 DataGrid 内部（没有最大高度）时，它应该允许滚动整个父组件...