How to save image from clipboard to file in UWP

Question

Is there any equivalent of

Clipboard.GetImage().Save(FileName, Imaging.ImageFormat.Jpeg)

for UWP (Windows Universal Platform)? I.e. saving the graphics image from clipboard into jpg format to file.

I am looking for example in vb.net/C#.

I have already started with

Dim datapackage = DataTransfer.Clipboard.GetContent()
If datapackage.Contains(StandardDataFormats.Bitmap) Then
Dim r As Windows.Storage.Streams.RandomAccessStreamReference = Await datapackage.GetBitmapAsync()

...

but I do not know how to continue (and even if I have even started correctly).

Igor Ralic · Accepted Answer · 2015-11-08 17:31:25Z

8

The first step is to try and get the image from the clipboard, if it exists:

var dataPackageView = Windows.ApplicationModel.DataTransfer.Clipboard.GetContent();
if (dataPackageView.Contains(StandardDataFormats.Bitmap))
{
    IRandomAccessStreamReference imageReceived = null;
    try
    {
        imageReceived = await dataPackageView.GetBitmapAsync();
    }
    catch (Exception ex)
    {
    }

If it exists, launch a file save picker, choose where to save the image, and copy the image stream to the new file.

    if (imageReceived != null)
    {
        using (var imageStream = await imageReceived.OpenReadAsync())
        {
            var fileSave = new FileSavePicker();
            fileSave.FileTypeChoices.Add("Image", new string[] { ".jpg" });
            var storageFile = await fileSave.PickSaveFileAsync();

            using (var stream = await storageFile.OpenAsync(FileAccessMode.ReadWrite))
            {
                await imageStream.AsStreamForRead().CopyToAsync(stream.AsStreamForWrite());
            }
        }
    }
}

answered Nov 8, 2015 at 17:31

Igor Ralic

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3 Comments

Jiri.Tywoniak Over a year ago

Thanks. It looks good. And I like also that my 3 lines were OK, I mean good start (with exception of missing try/catch). jiri tywoniak

Mahmoud Al-Qudsi Over a year ago

Note that though you have given the file a .jpg extension, it is still a BMP file. You need to convert the actual pixel data to save as JPG, PNG, etc.

Ram Kishore Over a year ago

@MahmoudAl-Qudsi Thank you for the great piece of advice. That saved a huge trouble for me.

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