64 lines
1.9 KiB
C#
64 lines
1.9 KiB
C#
using FileManager_UWP.Service;
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using GalaSoft.MvvmLight;
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using GalaSoft.MvvmLight.Command;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO;
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using System.IO.IsolatedStorage;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Threading.Tasks;
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using Windows.Storage;
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using Windows.Storage.Streams;
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using Windows.UI.Xaml.Media.Imaging;
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namespace FileManager_UWP.ViewModel
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{
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class PreviewViewModel :ViewModelBase//, INotifyPropertyChanged
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{
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//public event PropertyChangedEventHandler PropertyChanged = delegate { };
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public PreviewViewModel()
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{
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_source = new BitmapImage();
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Path = "C:\\Users\\CaiMY\\Downloads\\tt.doc";
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}
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private BitmapImage _source;
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public BitmapImage ImgSource
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{
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get => _source;
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set
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{
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Set(nameof(ImgSource), ref _source, value);
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//this.OnPropertyChanged();
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}
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}
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private string _path;
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public string Path
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{
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get => _path;
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set => Set(nameof(Path), ref _path, value);
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}
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private RelayCommand<String> _showPreviewCommand;
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public RelayCommand<String> ShowPreviewCommand =>
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_showPreviewCommand ?? (_showPreviewCommand = new RelayCommand<String>(async (String path) =>
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{
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if (path == null)
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path = "p";
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var preview = await PreviewService.ShowPreviewAsync(path);
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ImgSource.SetSource(preview);
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}));
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//public void OnPropertyChanged([CallerMemberName] string propertyName = null)
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//{
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// // Raise the PropertyChanged event, passing the name of the property whose value has changed.
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// this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
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//}
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}
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}
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