c# - 以编程方式在 Datagrid 模板 c# 中添加图像

Question

以下 xaml 代码将“图像”与数据网格模板列绑定(bind)。

     <DataGridTemplateColumn Header="">

       <DataGridTemplateColumn.CellTemplate>

           <DataTemplate>

                <Image Source="{Binding Path=Image}" Height="16" Width="16" VerticalAlignment="Top" />

             </DataTemplate>
        </DataGridTemplateColumn.CellTemplate>

   The same thing need to be done in codebehind (c# code)  

       DataGridTemplateColumn im = new DataGridTemplateColumn();
       im.Header = "";
       Binding items1 = new Binding();

这就是我尝试过的....如何将 datagridtemplate 列绑定(bind)到图像？

Answer 1

这是以编程方式添加 DataGridTemplateColumn 的代码。

http://social.msdn.microsoft.com/Forums/en/wpf/thread/df77a277-91d4-41f1-a42a-0fa02a443ff4

DataGridTemplateColumn imgColumn = new DataGridTemplateColumn();
imgColumn.Header = "Image";

FrameworkElementFactory imageFactory = new FrameworkElementFactory(typeof(Image));
imageFactory.SetBinding(Image.SourceProperty, new Binding("ImgPath"));

DataTemplate dataTemplate = new DataTemplate();
dataTemplate.VisualTree = imageFactory;

imgColumn.CellTemplate = dataTemplate;

DGImages.Columns.Add(imgColumn);

我还添加了我创建的示例应用程序的源代码。希望对您有所帮助。

MainWindow.xaml文件

<Window x:Class="StackOverflow.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid>
<DataGrid Name="DGImages" AutoGenerateColumns="False">
<DataGrid.Columns>
<DataGridTextColumn Header="Image Desc" Binding="{Binding ImgDesc}"></DataGridTextColumn>
</DataGrid.Columns>
</DataGrid>
</Grid>
</Window>

MainWindow.xaml.cs文件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Collections.ObjectModel;

namespace StackOverflow
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
private ObservableCollection<SampleClass> imgList = null;

public MainWindow()
{
InitializeComponent();
imgList = new ObservableCollection<SampleClass>();
imgList.Add(new SampleClass() { ImgDesc = "First Image", ImgPath = @"/Images/MyImage.jpg" });

DataGridTemplateColumn imgColumn = new DataGridTemplateColumn();
imgColumn.Header = "Image";

FrameworkElementFactory imageFactory = new FrameworkElementFactory(typeof(Image));
imageFactory.SetBinding(Image.SourceProperty, new Binding("ImgPath"));

DataTemplate dataTemplate = new DataTemplate();
dataTemplate.VisualTree = imageFactory;

imgColumn.CellTemplate = dataTemplate;

DGImages.Columns.Add(imgColumn);

this.DGImages.ItemsSource = imgList;
}
}
}

示例类.cs文件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;

namespace StackOverflow
{
public class SampleClass : INotifyPropertyChanged
{
private string _ImgDesc;

public string ImgDesc
{
get { return _ImgDesc; }
set
{
_ImgDesc = value;
OnPropertyChanged("ImgDesc");
}
}

private string _ImgPath;

public string ImgPath
{
get { return _ImgPath; }
set
{
_ImgPath = value;
OnPropertyChanged("ImgPath");
}
}

public event PropertyChangedEventHandler PropertyChanged;

public void OnPropertyChanged(string propertyName)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
}
}
}
}