[英]UWP get shell icon for a file
那么這里是一個使用虛擬文件方法的輔助方法(將它放在一些靜態類中):
public async static Task<StorageItemThumbnail> GetFileIcon(this StorageFile file, uint size = 32)
{
StorageItemThumbnail iconTmb;
var imgExt = new[] { "bmp", "gif", "jpeg", "jpg", "png" }.FirstOrDefault(ext => file.Path.ToLower().EndsWith(ext));
if (imgExt != null)
{
var dummy = await ApplicationData.Current.TemporaryFolder.CreateFileAsync("dummy." + imgExt, CreationCollisionOption.ReplaceExisting); //may overwrite existing
iconTmb = await dummy.GetThumbnailAsync(ThumbnailMode.SingleItem, size);
}
else
{
iconTmb = await file.GetThumbnailAsync(ThumbnailMode.SingleItem, size);
}
return iconTmb;
}
用法示例:
var icon = await file.GetFileIcon();
var img = new BitmapImage();
img.SetSource(icon);
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