async void CopyButton_Click(object sender, RoutedEventArgs e)
{
OutputText.Text = "Storage Items: ";
var filePicker = new FileOpenPicker
{
ViewMode = PickerViewMode.List,
FileTypeFilter = { "*" }
};
var storageItems = await filePicker.PickMultipleFilesAsync();
if (storageItems.Count > 0)
{
OutputText.Text += storageItems.Count + " file(s) are copied into clipboard";
var dataPackage = new DataPackage();
dataPackage.SetStorageItems(storageItems);
// Request a copy operation from targets that support different file operations, like File Explorer
dataPackage.RequestedOperation = DataPackageOperation.Copy;
try
{
Windows.ApplicationModel.DataTransfer.Clipboard.SetContent(dataPackage);
}
catch (Exception ex)
{
// Copying data to Clipboard can potentially fail - for example, if another application is holding Clipboard open
rootPage.NotifyUser("Error copying content to Clipboard: " + ex.Message + ". Try again", NotifyType.ErrorMessage);
}
}
else
{
OutputText.Text += "No file was selected.";
}
}
private async Task ShareFileAsync(DashboardViewModel vm, DataPackage dataPackage, DataPackagePropertySet propertySet)
{
var cleanFileName = vm.SelectedItem.ImagePath.Replace(@"../Images/", "");
var packageLocation = Windows.ApplicationModel.Package.Current.InstalledLocation;
var imagesFolder = await packageLocation.GetFolderAsync("Images");
var imageToShare = await imagesFolder.GetFileAsync(cleanFileName);
dataPackage.SetStorageItems(new List<IStorageItem>{imageToShare});
var imageStreamRef = RandomAccessStreamReference.CreateFromFile(imageToShare);
propertySet.Thumbnail = imageStreamRef;
}
private async void MainPage_DataRequested(DataTransferManager sender, DataRequestedEventArgs args)
{
var GetFiles = args.Request.GetDeferral();
try
{
var name = String.Format("{0}_{1:yyyy-MM-dd_HH-mm-ss}.jpg", "MyApp", DateTime.Now);
StorageFolder tempFolder = await KnownFolders.PicturesLibrary.CreateFolderAsync("MidTermTemp", CreationCollisionOption.ReplaceExisting);
StorageFile saveItem = await tempFolder.CreateFileAsync(name, CreationCollisionOption.ReplaceExisting);
byte[] pixels;
using (Stream pixelStream = srcWriteAbleBitmap.PixelBuffer.AsStream())
{
pixels = new byte[pixelStream.Length];
pixelStream.Read(pixels, 0, pixels.Length);
for (int i = 0; i < pixels.Length; i += 4)
{
byte temp = pixels[i];
pixels[i] = pixels[i + 2];
pixels[i + 2] = temp;
}
}
using (IRandomAccessStream fileStream = await saveItem.OpenAsync(FileAccessMode.ReadWrite))
{
BitmapEncoder encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.JpegEncoderId, fileStream);
encoder.SetPixelData(BitmapPixelFormat.Rgba8, BitmapAlphaMode.Straight,
(uint)srcWriteAbleBitmap.PixelWidth, (uint)srcWriteAbleBitmap.PixelHeight, 96, 96, pixels);
await encoder.FlushAsync();
using (var outputStream = fileStream.GetOutputStreamAt(0))
{
await outputStream.FlushAsync();
}
}
DataPackage data = new DataPackage();
data.Properties.Title = "共享图片";
data.Properties.Description = "分享一些内容。";
List<IStorageItem> files = new List<IStorageItem>();
files.Add(saveItem);
data.SetStorageItems(files);
args.Request.Data = data;
}
finally
{
GetFiles.Complete();
}
}
private static void FillPackage(StorageFile[] files, DataPackage package, object subShareItem)
{
if (subShareItem != null)
{
switch (subShareItem.GetType().Name)
{
case nameof(TextShareItem):
{
package.SetText((subShareItem as TextShareItem).Text);
}
break;
case nameof(ApplicationLinkShareItem):
{
var sitm = subShareItem as ApplicationLinkShareItem;
package.SetApplicationLink(sitm.ApplicationLink);
}
break;
case nameof(DelayRenderedImageShareItem):
{
var sitm = subShareItem as DelayRenderedImageShareItem;
package.SetBitmap(RandomAccessStreamReference.CreateFromStream(sitm.SelectedImage.GetRandowmAccessStream()));
}
break;
case nameof(FilesShareItem):
{
StorageFile[] resultArray = files;
package.SetStorageItems(resultArray);
}
break;
case nameof(HtmlShareItem):
{
var sitm = subShareItem as HtmlShareItem;
var fmt = HtmlFormatHelper.CreateHtmlFormat(sitm.HtmlFragment);
package.SetHtmlFormat(fmt);
package.SetText(sitm.HtmlFragment);
}
break;
case nameof(WebLinkShareItem):
{
var sitm = subShareItem as WebLinkShareItem;
package.SetWebLink(sitm.WebLink);
package.SetText(sitm.WebLink?.ToString());
}
break;
default:
break;
}
}
}
public override string CopyFiles(IList<FileInfoM> files)
{
string errorMessage = string.Empty;
if (files.Any(p => p.StorageFile == null) || files.Any(p => (p.StorageFile is StorageFile) == false))
{
errorMessage = "Have no StorageFiles";
return errorMessage;
}
var dataPackage = new DataPackage();
var storageFiles = (from kkk in files
select kkk.StorageFile).Cast<StorageFile>().ToList();
dataPackage.SetStorageItems(storageFiles, true);
dataPackage.RequestedOperation = DataPackageOperation.Copy;
try
{
Clipboard.SetContent(dataPackage);
}
catch (Exception ex)
{
errorMessage = ex.Message;
}
return errorMessage;
}
public override string CopyFile(FileInfoM file)
{
string errorMessage = string.Empty;
if (file.StorageFile == null || (file.StorageFile is StorageFile) == false)
{
errorMessage = "Have no StorageFile";
return errorMessage;
}
var dataPackage = new DataPackage();
dataPackage.SetStorageItems(new List<StorageFile> {(StorageFile) file.StorageFile}, true);
dataPackage.RequestedOperation = DataPackageOperation.Copy;
try
{
Clipboard.SetContent(dataPackage);
}
catch (Exception ex)
{
errorMessage = ex.Message;
}
return errorMessage;
}