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; } } }