我想让一个ListView
同时显示一个图像和所选图像的名称。到目前为止,我已成功将List<BitmapImage>
绑定到ListView.ItemsSource,它在ItemTemplate
内同时显示Image
元素和Textblock
元素,我还成功地将每个Image
的名称添加到单独的List<string>
。现在,这是我卡住的地方,我如何将List<BitmapImage>
和List<string>
绑定到单个ListView,因此每个List Item的尊重字段。将两个不同类型的列表链接到一个ListView
代码片段如下:
XAML ListView控件:
<ListView x:Name="listView_ViewPhotos" Visibility="Collapsed">
<ListView.ItemTemplate>
<DataTemplate>
<Grid Margin="0,5,0,5">
<Grid.ColumnDefinitions>
<!--Image Column-->
<ColumnDefinition Width="150"/>
<!--Name Column-->
<ColumnDefinition MinWidth="{Binding ActualWidth, ElementName=pageRoot, Mode=OneWay}"/>
</Grid.ColumnDefinitions>
<Image Source="{Binding ImageList}" Height="100" Width="150" Stretch="UniformToFill" Grid.Column="0"/>
<TextBlock x:Name="txt_Listimg_Caption" Foreground="{ThemeResource ButtonForegroundThemeBrush}" Style="{StaticResource CaptionTextBlockStyle}" TextWrapping="WrapWholeWords" Height="40" Margin="15,0,15,0" FontSize="25" Text="{Binding ImageName}" Grid.Column="1" />
</Grid>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
C#
public List<string> ImageName = new List<string>();
private async void appBar_GetFiles_Click(object sender, RoutedEventArgs e)
{
FileOpenPicker filePicker = new FileOpenPicker();
filePicker.ViewMode = PickerViewMode.List;
filePicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
filePicker.FileTypeFilter.Add(".bmp");
filePicker.FileTypeFilter.Add(".png");
filePicker.FileTypeFilter.Add(".gif");
filePicker.FileTypeFilter.Add(".jpg");
filePicker.FileTypeFilter.Add(".jpeg");
IReadOnlyList<StorageFile> filelist = await filePicker.PickMultipleFilesAsync();
foreach (var file in filelist)
{
if (file != null)
{
string FileName = file.Name;
//var imageData = await activeFolder.GetFileAsync(FileName);
//var imageData = await KnownFolders.PicturesLibrary.GetFileAsync(FileName);
BitmapImage bitmapImage;
using (var stream = await file.OpenAsync(FileAccessMode.Read))
{
bitmapImage = new BitmapImage();
bitmapImage.SetSource(stream);
}
ImageName.Add(FileName);
ImageList.Add(bitmapImage);
}
else break;
}
listView_ViewPhotos.ItemsSource = null;
listView_ViewPhotos.ItemsSource = ???;
gridView_ViewPhotos.ItemsSource = null;
gridView_ViewPhotos.ItemsSource = ???;
您需要创建一个具有两个属性('Image'和'ImageName')的类。然后是List类而不是两个单独的List,最后将ItemsSource设置为List。如何创建一个类和一个'List'它的例子http://stackoverflow.com/a/32285112/2946329 –