C# Wpf继承的usercontrol无法使用resources属性

C# Wpf继承的usercontrol无法使用resources属性,c#,wpf,xaml,inheritance,user-controls,C#,Wpf,Xaml,Inheritance,User Controls,我已经构建了自己的usercontrol模板,继承的类如下所示: using System.Windows.Controls; using CustomCopyNas.Views; namespace CustomCopyNas.MVVM { /// <summary> /// Base class for all Views that is used in MVVM /// </summary> /// <typeparam na

我已经构建了自己的usercontrol模板,继承的类如下所示:

using System.Windows.Controls;
using CustomCopyNas.Views;

namespace CustomCopyNas.MVVM
{
    /// <summary>
    /// Base class for all Views that is used in MVVM
    /// </summary>
    /// <typeparam name="TViewModel">ViewModel</typeparam>
    public class ViewBase<TViewModel> : UserControl, IView<TViewModel> where TViewModel : UploadViewModelBase
    {
        public ViewBase()
        { }

        public ViewBase(TViewModel tViewModel)
        {
            ViewModel = tViewModel;
        }

        /// <summary>
        /// ViewModel
        /// </summary>
        public TViewModel ViewModel
        {
            get
            {
                return (TViewModel)DataContext;
            }
            private set
            {
                DataContext = value;
            }
        }
    }
}
使用System.Windows.Controls;
使用CustomCopyNas.Views;
命名空间CustomCopyNas.MVVM
{
/// 
///MVVM中使用的所有视图的基类
/// 
///视图模型
公共类ViewBase:UserControl,IView其中TViewModel:UploadViewModelBase
{
公共视图库()
{ }
公共视图库(TViewModel TViewModel)
{
ViewModel=tViewModel;
}
/// 
///视图模型
/// 
公共TViewModel视图模型
{
得到
{
返回(TViewModel)数据上下文;
}
专用设备
{
数据上下文=值;
}
}
}
}
我的xaml文件

<mvvm:ViewBase x:Class="CustomCopyNas.Controls.FolderControl"
             x:TypeArguments="vm:FolderViewModel"
             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:mvvm="clr-namespace:CustomCopyNas.MVVM"
             xmlns:vm="clr-namespace:CustomCopyNas.Views"
             xmlns:enum="clr-namespace:CustomCopyNas.Enum"
             xmlns:sys="clr-namespace:System;assembly=mscorlib"
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="300" Width="700">

    <mvvm:ViewBase.Resources>
        <ObjectDataProvider x:Key="osEnum" MethodName="GetValues" ObjectType="{x:Type sys:Enum}">
            <ObjectDataProvider.MethodParameters>
                <x:Type Type="enum:OsType"></x:Type>
            </ObjectDataProvider.MethodParameters>
        </ObjectDataProvider>
    </mvvm:ViewBase.Resources>


    <Grid>
        <DataGrid ItemsSource="{Binding Folders, Mode=TwoWay}" AutoGenerateColumns="False">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Folder or File" Binding="{Binding Path}"/>
            </DataGrid.Columns>
        </DataGrid>    
    </Grid>
</mvvm:ViewBase>

和部分类

using CustomCopyNas.MVVM;
using CustomCopyNas.Views;

namespace CustomCopyNas.Controls
{
    /// <summary>
    /// Interaction logic for FolderControl.xaml
    /// </summary>
    public partial class FolderControl : ViewBase<FolderViewModel>
    {

        public FolderControl()
            : base(new FolderViewModel("SourceFolders.xml"))
        {
            InitializeComponent();
        }
    }
}
使用CustomCopyNas.MVVM;
使用CustomCopyNas.Views;
命名空间CustomCopyNas.Controls
{
/// 
///FolderControl.xaml的交互逻辑
/// 
公共部分类FolderControl:ViewBase
{
公共文件夹控制()
:base(新的FolderViewModel(“SourceFolders.xml”))
{
初始化组件();
}
}
}
当我试图编译时,出现了一个错误,即viewbase上不存在属性资源。我不知道错误在哪里,我的viewbase类继承自usercontrol类,这提供了resources属性。

这里出了什么问题?

我认为您的问题是由XAML不支持泛型类引起的。您可以在MSDN的页面上阅读完整的故事,但简而言之,可以从链接页面上阅读:

在XAML中,泛型类型必须始终表示为受约束的泛型;XAML类型系统或XAML节点流中从不存在无约束泛型,因此不能在XAML标记中表示

因此,代码类声明之间存在不匹配:

public class ViewBase<TViewModel>
<mvvm:ViewBase x:Class="CustomCopyNas.Controls.FolderControl"
公共类视图库
以及您的XAML类声明:

public class ViewBase<TViewModel>
<mvvm:ViewBase x:Class="CustomCopyNas.Controls.FolderControl"

你的部分课程在哪里?