C# 在用户控件内单击按钮时更改视图

我在窗户里有两排格子。在第一排有一个带按钮的堆栈面板。点击一个按钮，在网格的第二行显示一个用户控件。现在在用户控件中有多个按钮，可以更改网格第二行的内容（将当前用户控件更改为另一个）。 当我在Customers用户控件中单击一个按钮，并在BaseViewModel中的NavigationCommand上放置一个断点时，它实际上会在更改CurrentViewModel时出现，但不会出现在实际窗口中

main window.xaml

<Window x:Class="TestProject.View.MainWindow"
        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:viewmodel="clr-namespace:TestProject.ViewModel"
        xmlns:local="clr-namespace:TestProject"
        xmlns:view="clr-namespace:TestProject.View"
        mc:Ignorable="d"
        Title="MainWindow" Width="966" Height="897">
    <Window.DataContext>
        <viewmodel:MainWindowViewModel/>
    </Window.DataContext>
<Grid >
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition Height="*"></RowDefinition>
    </Grid.RowDefinitions>
    <!--Верхнее меню -->
    <Grid Grid.Row="0">
        <StackPanel HorizontalAlignment="Left" Orientation="Horizontal" >
            <Button x:Name="Visits" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="visits"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">        
                    <Image Source="../icon/document-changed.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Patients" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="patients"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/document-changed.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Customers" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="customers"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/user.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Goods" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="customer"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/folder_documents.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Services" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="services" BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/folder_documents.png" Width="16" Height="16"/>
            </Button>                
        </StackPanel>
    </Grid>
    <ContentControl x:Name="Content" Grid.Row="1" Content="{Binding CurrentViewModel}"></ContentControl>
    </Grid>
</Window>

namespace TestProject.ViewModel
{
    public class BaseViewModel : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged = delegate { };
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }

        public DelegateCommand<string> NavigationCommand { get; set; }        
        public BaseViewModel()
        {        
            NavigationCommand = new DelegateCommand<string>(OnNavigate);            
        }

        private void OnNavigate(string navPath)
        {
            switch (navPath)
            {
                case "customers":
                    CurrentViewModel = new CustomersViewModel();                    
                    break;
                case "visits":
                    CurrentViewModel = new VisitsViewModel();                    
                    break;
                case "patients":
                    CurrentViewModel = new PatientsViewModel();                    
                    break;
                case "customer":                    
                    CurrentViewModel = new CustomerViewModel();
                    break;
                case "visit":                    
                    CurrentViewModel = new VisitViewModel();
                    break;
            }
        }

        private object _currentViewModel;

        public object CurrentViewModel
        {
            get { return _currentViewModel; }
            set
            {
                if (_currentViewModel != value)
                {
                    _currentViewModel = value;
                    OnPropertyChanged();
                }
            }
        }
        private object _currentText;

        public object CurrentText
        {
            get { return _currentText; }
            set
            {
                if (_currentText != value)
                {
                    _currentText = value;
                    OnPropertyChanged();
                }
            }
        }
    }
}

<UserControl x:Class="TestProject.View.Customers"
             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:TestProject.View"
             xmlns:viewModel="clr-namespace:TestProject.ViewModel"
             mc:Ignorable="d"       
             >
    <UserControl.DataContext>
        <viewModel:CustomersViewModel/>
        </UserControl.DataContext>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="25"></RowDefinition>
            <RowDefinition Height="50"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <Label Grid.Row="0" Background="#FFF3EB96">Клиенты</Label>
        <StackPanel Grid.Row="1" Orientation="Horizontal">
            <Button Command="{Binding NavigationCommand}" CommandParameter="customer"  Background="Transparent"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                <StackPanel Orientation="Horizontal">
                    <Image Source="../icon/plus_32.png" Width="32" Height="32"/>
                </StackPanel>
            </Button>

        </StackPanel>
    </Grid>
</UserControl>

BaseViewModel

<Window x:Class="TestProject.View.MainWindow"
        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:viewmodel="clr-namespace:TestProject.ViewModel"
        xmlns:local="clr-namespace:TestProject"
        xmlns:view="clr-namespace:TestProject.View"
        mc:Ignorable="d"
        Title="MainWindow" Width="966" Height="897">
    <Window.DataContext>
        <viewmodel:MainWindowViewModel/>
    </Window.DataContext>
<Grid >
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition Height="*"></RowDefinition>
    </Grid.RowDefinitions>
    <!--Верхнее меню -->
    <Grid Grid.Row="0">
        <StackPanel HorizontalAlignment="Left" Orientation="Horizontal" >
            <Button x:Name="Visits" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="visits"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">        
                    <Image Source="../icon/document-changed.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Patients" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="patients"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/document-changed.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Customers" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="customers"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/user.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Goods" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="customer"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/folder_documents.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Services" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="services" BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/folder_documents.png" Width="16" Height="16"/>
            </Button>                
        </StackPanel>
    </Grid>
    <ContentControl x:Name="Content" Grid.Row="1" Content="{Binding CurrentViewModel}"></ContentControl>
    </Grid>
</Window>

namespace TestProject.ViewModel
{
    public class BaseViewModel : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged = delegate { };
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }

        public DelegateCommand<string> NavigationCommand { get; set; }        
        public BaseViewModel()
        {        
            NavigationCommand = new DelegateCommand<string>(OnNavigate);            
        }

        private void OnNavigate(string navPath)
        {
            switch (navPath)
            {
                case "customers":
                    CurrentViewModel = new CustomersViewModel();                    
                    break;
                case "visits":
                    CurrentViewModel = new VisitsViewModel();                    
                    break;
                case "patients":
                    CurrentViewModel = new PatientsViewModel();                    
                    break;
                case "customer":                    
                    CurrentViewModel = new CustomerViewModel();
                    break;
                case "visit":                    
                    CurrentViewModel = new VisitViewModel();
                    break;
            }
        }

        private object _currentViewModel;

        public object CurrentViewModel
        {
            get { return _currentViewModel; }
            set
            {
                if (_currentViewModel != value)
                {
                    _currentViewModel = value;
                    OnPropertyChanged();
                }
            }
        }
        private object _currentText;

        public object CurrentText
        {
            get { return _currentText; }
            set
            {
                if (_currentText != value)
                {
                    _currentText = value;
                    OnPropertyChanged();
                }
            }
        }
    }
}

<UserControl x:Class="TestProject.View.Customers"
             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:TestProject.View"
             xmlns:viewModel="clr-namespace:TestProject.ViewModel"
             mc:Ignorable="d"       
             >
    <UserControl.DataContext>
        <viewModel:CustomersViewModel/>
        </UserControl.DataContext>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="25"></RowDefinition>
            <RowDefinition Height="50"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <Label Grid.Row="0" Background="#FFF3EB96">Клиенты</Label>
        <StackPanel Grid.Row="1" Orientation="Horizontal">
            <Button Command="{Binding NavigationCommand}" CommandParameter="customer"  Background="Transparent"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                <StackPanel Orientation="Horizontal">
                    <Image Source="../icon/plus_32.png" Width="32" Height="32"/>
                </StackPanel>
            </Button>

        </StackPanel>
    </Grid>
</UserControl>

namespace TestProject.ViewModel
{
公共类BaseViewModel:INotifyPropertyChanged
{
公共事件PropertyChangedEventHandler PropertyChanged=委托{}；
受保护的虚拟void OnPropertyChanged（[CallerMemberName]字符串propertyName=null）
{
PropertyChanged（这是新的PropertyChangedEventArgs（propertyName））；
}
公共DelegateCommand导航命令{get；set；}
公共BaseViewModel（）
{        
NavigationCommand=新的DelegateCommand（OnNavigate）；
}
私有void OnNavigate（字符串navPath）
{
交换机（导航路径）
{
案例“客户”：
CurrentViewModel=新CustomerViewModel（）；
打破
个案“探访”：
CurrentViewModel=新建VisitsViewModel（）；
打破
个案"病人:
CurrentViewModel=新的PatientsViewModel（）；
打破
案例“客户”：
CurrentViewModel=新的CustomerViewModel（）；
打破
“访问”案例：
CurrentViewModel=新的VisitViewModel（）；
打破
}
}
私有对象_currentViewModel；
公共对象CurrentViewModel
{
获取{return\u currentViewModel；}
设置
{
if（_currentViewModel！=值）
{
_currentViewModel=值；
OnPropertyChanged（）；
}
}
}
私有对象_currentText；
公共对象当前文本
{
获取{return\u currentText；}
设置
{
如果（_currentText！=值）
{
_currentText=值；
OnPropertyChanged（）；
}
}
}
}
}

客户。xaml

<Window x:Class="TestProject.View.MainWindow"
        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:viewmodel="clr-namespace:TestProject.ViewModel"
        xmlns:local="clr-namespace:TestProject"
        xmlns:view="clr-namespace:TestProject.View"
        mc:Ignorable="d"
        Title="MainWindow" Width="966" Height="897">
    <Window.DataContext>
        <viewmodel:MainWindowViewModel/>
    </Window.DataContext>
<Grid >
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition Height="*"></RowDefinition>
    </Grid.RowDefinitions>
    <!--Верхнее меню -->
    <Grid Grid.Row="0">
        <StackPanel HorizontalAlignment="Left" Orientation="Horizontal" >
            <Button x:Name="Visits" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="visits"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">        
                    <Image Source="../icon/document-changed.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Patients" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="patients"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/document-changed.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Customers" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="customers"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/user.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Goods" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="customer"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/folder_documents.png" Width="16" Height="16"/>
            </Button>
            <Button x:Name="Services" Background="Transparent" Command="{Binding NavigationCommand}" CommandParameter="services" BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                    <Image Source="../icon/folder_documents.png" Width="16" Height="16"/>
            </Button>                
        </StackPanel>
    </Grid>
    <ContentControl x:Name="Content" Grid.Row="1" Content="{Binding CurrentViewModel}"></ContentControl>
    </Grid>
</Window>

namespace TestProject.ViewModel
{
    public class BaseViewModel : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged = delegate { };
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }

        public DelegateCommand<string> NavigationCommand { get; set; }        
        public BaseViewModel()
        {        
            NavigationCommand = new DelegateCommand<string>(OnNavigate);            
        }

        private void OnNavigate(string navPath)
        {
            switch (navPath)
            {
                case "customers":
                    CurrentViewModel = new CustomersViewModel();                    
                    break;
                case "visits":
                    CurrentViewModel = new VisitsViewModel();                    
                    break;
                case "patients":
                    CurrentViewModel = new PatientsViewModel();                    
                    break;
                case "customer":                    
                    CurrentViewModel = new CustomerViewModel();
                    break;
                case "visit":                    
                    CurrentViewModel = new VisitViewModel();
                    break;
            }
        }

        private object _currentViewModel;

        public object CurrentViewModel
        {
            get { return _currentViewModel; }
            set
            {
                if (_currentViewModel != value)
                {
                    _currentViewModel = value;
                    OnPropertyChanged();
                }
            }
        }
        private object _currentText;

        public object CurrentText
        {
            get { return _currentText; }
            set
            {
                if (_currentText != value)
                {
                    _currentText = value;
                    OnPropertyChanged();
                }
            }
        }
    }
}

<UserControl x:Class="TestProject.View.Customers"
             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:TestProject.View"
             xmlns:viewModel="clr-namespace:TestProject.ViewModel"
             mc:Ignorable="d"       
             >
    <UserControl.DataContext>
        <viewModel:CustomersViewModel/>
        </UserControl.DataContext>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="25"></RowDefinition>
            <RowDefinition Height="50"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <Label Grid.Row="0" Background="#FFF3EB96">Клиенты</Label>
        <StackPanel Grid.Row="1" Orientation="Horizontal">
            <Button Command="{Binding NavigationCommand}" CommandParameter="customer"  Background="Transparent"  BorderThickness="0" Width="Auto"  Height="Auto" Margin="8,0,0,0">
                <StackPanel Orientation="Horizontal">
                    <Image Source="../icon/plus_32.png" Width="32" Height="32"/>
                </StackPanel>
            </Button>

        </StackPanel>
    </Grid>
</UserControl>

Клиенты

您似乎已经在所有视图模型的公共基类中定义了

CurrentViewModel

属性。这是错误的

视图中的

ContentControl

绑定到视图模型类的特定实例，因此设置

CustomerViewModel

的

CurrentViewModel

属性不会影响绑定到

MainWindowViewModel

的

ContentControl

属性的

ContentControl

CustomerViewModel

应该直接引用

MainWindowViewModel

，或者您必须使用某种messenger/事件聚合器或共享服务在它们之间进行通信：

如果在创建子视图模型时，在子视图模型中插入对

MainWindowViewModel

的引用，则可以使用此引用来导航：

MainWindowViewModel:

public class MainWindowViewModel : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler PropertyChanged = delegate { };
    protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
    {
        PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
    }

    public DelegateCommand<string> NavigationCommand { get; set; }
    public BaseViewModel()
    {
        NavigationCommand = new DelegateCommand<string>(OnNavigate);
    }

    private void OnNavigate(string navPath)
    {
        switch (navPath)
        {
            case "customers":
                CurrentViewModel = new CustomersViewModel(this);
                break;
            ...
        }
    }

public class CustomersViewModel
{
    private readonly MainWindowViewModel _vm;
    public CustomersViewModel(MainWindowViewModel vm)
    {
        _vm = vm;
        NavigationCommand = new DelegateCommand<string>(OnNavigate);
    }

    public DelegateCommand<string> NavigationCommand { get; set; }


    private void OnNavigate(string navPath)
    {
        _vm.CurrentViewModel = new SomeOtherViewModel();
    }
}

public类MainWindowViewModel:INotifyPropertyChanged
{
公共事件PropertyChangedEventHandler PropertyChanged=委托{}；
受保护的虚拟void OnPropertyChanged（[CallerMemberName]字符串propertyName=null）
{
PropertyChanged（这是新的PropertyChangedEventArgs（propertyName））；
}
公共DelegateCommand导航命令{get；set；}
公共BaseViewModel（）
{
NavigationCommand=新的DelegateCommand（OnNavigate）；
}
私有void OnNavigate（字符串navPath）
{
交换机（导航路径）
{
案例“客户”：
CurrentViewModel=新的CustomerViewModel（此）；
打破
...
}
}

客户视图模型：

public class MainWindowViewModel : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler PropertyChanged = delegate { };
    protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
    {
        PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
    }

    public DelegateCommand<string> NavigationCommand { get; set; }
    public BaseViewModel()
    {
        NavigationCommand = new DelegateCommand<string>(OnNavigate);
    }

    private void OnNavigate(string navPath)
    {
        switch (navPath)
        {
            case "customers":
                CurrentViewModel = new CustomersViewModel(this);
                break;
            ...
        }
    }

public class CustomersViewModel
{
    private readonly MainWindowViewModel _vm;
    public CustomersViewModel(MainWindowViewModel vm)
    {
        _vm = vm;
        NavigationCommand = new DelegateCommand<string>(OnNavigate);
    }

    public DelegateCommand<string> NavigationCommand { get; set; }


    private void OnNavigate(string navPath)
    {
        _vm.CurrentViewModel = new SomeOtherViewModel();
    }
}

公共类CustomerViewModel
{
私有只读MainWindowViewModel\u vm；
公共CustomerViewModel（MainWindowViewModel虚拟机）
{
_vm=vm；
NavigationCommand=新的DelegateCommand（OnNavigate）；
}
公共DelegateCommand导航命令{get；set；}
私有void OnNavigate（字符串navPath）
{
_vm.CurrentViewModel=新建SomeOtherViewModel（）；
}
}

您似乎在所有视图模型的公共基类中定义了

CurrentViewModel

属性。这是错误的

视图中的

ContentControl

绑定到视图模型类的特定实例，因此设置

CustomerViewModel

的

CurrentViewModel

属性不会影响绑定到

MainWindowViewModel

的

ContentControl

属性的

ContentControl

---

• [wpf]相关文章推荐

• Wpf 将枚举值添加到Silverlight属性/属性 wpfsilverlight
• WPF：非阻塞UI wpf
• Wpf 鼠标悬停在ListBoxItem上时更改ListBoxItem背景色 wpf
• WPF和MVVM-动态更改主题 wpfmvvm
• wpf工具提示和样式 wpfxaml
• 使用RenderTargetBitmap的WPF画布区域快照 wpf
• 显示不同视图的WPF独立应用程序 wpfmvvm
• Wpf ViewBox自动更改控件的位置 wpfxamlvisual-studio-2012
• WPF ObservableCollection和Listbox.itemsource异常 wpfbinding
• Wpf 如何将光标位置移动到所需的位置 wpfvb.net
• WPF应用程序的Nunit单元测试给出NullReference异常 wpfnunit
• Wpf Awesomium.NET在默认浏览器中打开链接 wpf
• Wpf 设置按钮'；s到星的宽度 wpf
• MVVM灯-PCL和x2B；WPF-获取类型为Microsoft.Practices.ServiceLocation.ActivationException的异常 背景 wpf
• Wpf 将操作从用户控件传递到其他窗口中的辅助工作 wpfevents
• Wpf 菜单项中不显示按钮背景 wpf
• Wpf 如何将ListView中的DisplayMemberPath与ItemContainerStyle一起使用？ wpfxamllistviewdata-binding
• 测试栈白&白；WPF：如何在Xceed DatePicker中输入日期值？ wpf
• WPF Core如何在启动时创建初始屏幕？ wpf
• Wpf 如何处理应用程序命令。在PRISM MVVM应用程序中剪切、复制、粘贴 wpfmvvm

---

• 随机文章推荐

• Asp classic 经典ASP异常日志记录（500和500.100错误） asp-classic
• Asp classic VBScipt:调用被全局变量隐藏的内置函数 asp-classicvbscript
• Asp classic asp到asp.net（c#.net）的迁移 asp-classic
• Asp classic 我仍然用ASP Legacy编写web应用程序——什么是这个平台的现代替代品？ asp-classic
• Asp classic 使用ASP在word文件中嵌入图像 asp-classicms-word
• Asp classic IIS6中的脚本错误异常 asp-classic
• Asp classic 如何在经典asp web应用程序中生成依赖关系图？（静态分析） asp-classicdependencies
• Asp classic 提交表格后，锚链不会增加 asp-classic
• Asp classic 使用asp classic以唯一的名称或id在数据库中保存文件 asp-classic
• Asp classic 服务器XMLHttp导致IE 8中的页面永远执行？ asp-classic
• Asp classic 把数字写出来；5“；作为「；“五”；在VB脚本中？ asp-classic
• Asp classic jscript中原型的内存使用 asp-classic
• Asp classic 使用ADODB.Stream保存POST二进制数据 asp-classic
• Asp classic unicode字符串中的字符数-len（）不起作用 asp-classicvbscript
• Asp classic 这个ASP代码有什么问题；你会怎么修理它 asp-classic
• Asp classic ime，所以我选择John的选项：存储记录数据并每次重建HTML。这样，每次的选择都会有所不同。 <%sql = "SELECT personType_Id, personTypeName FROM PersonTypes ORDER BY pers asp-classic
• Asp classic 为什么与W2K3服务器相比，W2K8服务器上使用MSXML6.0的经典asp+vb6组件应用程序速度较慢？ asp-classicvb6
• Asp classic 使用格式化的url标题自动使url可单击 asp-classic
• Asp classic 基于会话的购物车遭到重击 asp-classiciis-7
• Asp classic 在ASP Classic中使用Excel 2016作为数据库 asp-classic