How can I get ImageSource
from MemoryStream
in WPF using c# ? or convert MemoryStream
to ImageSource
to display it as image in wpf ?
using (MemoryStream memoryStream = ...)
{
var imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.StreamSource = memoryStream;
imageSource.EndInit();
// Assign the Source property of your image
image.Source = imageSource;
}
Image.Source
nothing will show, so be careful
For example, the Next method will not work, From one of my projects using LiteDB
public async Task<BitmapImage> DownloadImage(string id)
{
using (var stream = new MemoryStream())
{
var f = _appDbManager.DataStorage.FindById(id);
f.CopyTo(stream);
var imageSource = new BitmapImage {CacheOption = BitmapCacheOption.OnLoad};
imageSource.BeginInit();
imageSource.StreamSource = stream;
imageSource.EndInit();
return imageSource;
}
}
you can not use returned imageSource
from the last function
But this implementation will work
public async Task<BitmapImage> DownloadImage(string id)
{
// TODO: [Note] Bug due to memory leaks, if we used Using( var stream = new MemoryStream()), we will lost the stream, and nothing will shown
var stream = new MemoryStream();
var f = _appDbManager.DataStorage.FindById(id);
f.CopyTo(stream);
var imageSource = new BitmapImage {CacheOption = BitmapCacheOption.OnLoad};
imageSource.BeginInit();
imageSource.StreamSource = stream;
imageSource.EndInit();
return imageSource;
}
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