SmartDoorLock/LogForceTestApp.Modules.MainModule/ViewModels/PathToImageConverter.cs

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

namespace LogoForceTestApp.Modules.MainModule.ViewModels
{
    public sealed class PathToImageConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
            {
                return null;
            }
            string uriStr = (string)value;
            Uri uri = new Uri(uriStr, UriKind.Absolute);
            BitmapImage bmp = new BitmapImage();
            bmp.DecodePixelHeight = 200; // 确定解码高度，宽度不同时设置
            bmp.BeginInit();
            // 延迟，必要时创建
            bmp.CreateOptions = BitmapCreateOptions.DelayCreation;
            bmp.CacheOption = BitmapCacheOption.OnLoad;
            bmp.UriSource = uri;
            bmp.EndInit(); //结束初始化
            return bmp;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return null;
        }


    }
}