ATWPF.Theme/ConvertClass/ConvertToBitmapImage.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Windows.Media.Imaging;

namespace ATWPF.Theme
{
    public class ConvertToImageSource : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            string strPath = AppLayoutMannger.RootFolder + "/" + value.ToString();
            BitmapImage img = new BitmapImage(new Uri(strPath));
            ImageSourceModel themeImageSource = new ImageSourceModel();
            themeImageSource.Image = img;
            AppLayoutMannger.AddImageSource(themeImageSource);
            return themeImageSource;
        }
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }    
}