Question

i dont have a problem with binding a bitmapimage to image tag in codebehind for eg.

BitmapImage image = new BitmapImage();
imagetaginxaml.Source = image; // this will remove whatever image is currently on the image tag in xaml and attach the empty bitmapimage above

but i’m not able to get the image by doing the reverse, for example, i want to process the image that is currently on the image tag. i am not able to do this

BitmapImage image = imagetaginxaml.Source;

what should i do

Answer 1

How about using WriteableBitmap to make a copy of the image, and then using a MemoryStream to copy the original image into a copy?

// Create a WriteableBitmap from the Image control
WriteableBitmap bmp = new WriteableBitmap(imagetaginxaml, null);

// Load the contents of a MemoryStream from the WritableBitmap
MemoryStream m = new MemoryStream();
bmp.SaveJpeg(m, bmp.PixelWidth, bmp.PixelHeight, 0, 100);

// Read from the stream into a new BitmapImage object
m.Position = 0;
BitmapImage image = new BitmapImage();
image.SetSource(m);

// do something with the new BitmapImage object
// (for example, load another image control)
anotherimagetaginxaml.Source = image;