public async void DragStorageItems(DataPackage dataPackage, DragUI dragUI, Collection <FileSystemElement> draggedItems)
{
var fse = draggedItems[0];
if (!fse.IsFolder)
{
var storageItem = await FileSystem.GetFileAsync(fse);
dataPackage.SetStorageItems(new List <IStorageItem> {
storageItem
}, false);
var ti = await storageItem.GetThumbnailAsync(ThumbnailMode.SingleItem, 30);
if (ti != null)
{
var stream = ti.CloneStream();
var img = new BitmapImage();
await img.SetSourceAsync(stream);
dataPackage.RequestedOperation = DataPackageOperation.Move;
dragUI.SetContentFromBitmapImage(img, new Point(-1, 0));
//args.Data.Properties.Thumbnail = RandomAccessStreamReference.CreateFromStream(stream);
//args.DragUI.SetContentFromDataPackage();
}
}
else
{
var storageItem = await FileSystem.GetFolderAsync(fse);
dataPackage.SetStorageItems(new List <IStorageItem> {
storageItem
}, false);
var ti = await storageItem.GetThumbnailAsync(ThumbnailMode.SingleItem, 30);
if (ti != null)
{
var stream = ti.CloneStream();
var img = new BitmapImage();
await img.SetSourceAsync(stream);
dataPackage.RequestedOperation = DataPackageOperation.Move;
dragUI.SetContentFromBitmapImage(img, new Point(-1, 0));
//args.Data.Properties.Thumbnail = RandomAccessStreamReference.CreateFromStream(stream);
//args.DragUI.SetContentFromDataPackage();
}
}
}
void IDragUIResolver.SetContentFromBitmapImage(DragUI dragUI, BitmapImage bitmapImage, Point anchorPoint) => dragUI.SetContentFromBitmapImage(bitmapImage, anchorPoint);
void IDragUIResolver.SetContentFromBitmapImage(DragUI dragUI, BitmapImage bitmapImage) => dragUI.SetContentFromBitmapImage(bitmapImage);
