我在使用转换器从本地目录创建图像的 WPF 控件中未显示图像时遇到问题。任何关于我做错了什么的方向都将不胜感激。
XAML
<UserControl x:Class="Coms.Views.ImageDetailView"
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:c="clr-namespace:Coms.Converter"
mc:Ignorable="d"
d:DesignHeight="100" d:DesignWidth="300" Background="Wheat">
<Control.Resources>
<c:ImageDetailConverter x:Key="converter" />
</Control.Resources>
<ListBox ItemsSource="{Binding icList}" ScrollViewer.HorizontalScrollBarVisibility="Disabled" ScrollViewer.VerticalScrollBarVisibility="Auto">
<ListBox.ItemTemplate>
<DataTemplate>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="100"/>
<ColumnDefinition Width="200"/>
</Grid.ColumnDefinitions>
<Image Name="imgBox" Width="auto" Height="auto" Grid.Column="0" Source="{Binding Converter={StaticResource converter}}" />
<TextBlock Name="txtBlock2" Grid.Column="1" Text="{Binding coordinates}"/>
</Grid>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
班级
public class ImageDetail
{
public string fileName { get; set; }
public string coordinates { get; set; }
}
转换器
public class ImageDetailConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
IRuntimeConfigurations configs = ServiceLocator.Current.GetInstance<IRuntimeConfigurations>();
return new Bitmap(Image.FromFile(Path.Combine(configs.rootImagePath, ((IImageDetail)value).fileName)));
}
}