The Image Control

This page details the specific aspects of the Image control for Uno Platform. General information about Image is available in WinUI official documentation.

Support for ms-appx

ms-appx supports reading images provided as Content assets in your project. See StorageFile.GetFileFromApplicationUriAsync for more details.

Support for ms-appdata

ms-appdata:/// supports reading content from the some known folders of an app.

For instance, these are paths which can be used to show images:

• ms-appdata:///local/myimage.png, using the path from ApplicationData.Current.LocalFolder
• ms-appdata:///temp/myimage.png, using the path from ApplicationData.Current.TemporaryFolder
• ms-appdata:///roaming/myimage.png, using the path from ApplicationData.Current.RoamingFolder

Files written at those locations will be shown in the Image control.

Here's a simple example:

var httpClient = new HttpClient();
var response = await httpClient.GetAsync("https://fakeimg.pl/300/");

var file = await ApplicationData.Current.LocalFolder.CreateFileAsync("image.jpg", CreationCollisionOption.ReplaceExisting);
using (var stream = await file.OpenStreamForWriteAsync())
{
    await response.Content.CopyToAsync(stream);
}

MyImage.UriSource = new BitmapImage { UriSource = new($"ms-appdata:///local/image.jpg") };

[!IMPORTANT] When using WinAppSDK Unpackaged mode, ms-appdata:/// is not supported on Image. In this case, you can use BitmapImage.SetSourceAsync to set the image programmatically.

Gif Support

Displaying animated GIFs is supported on:

• netX.0-desktop (5.4 and later)
• netX.0-windows
• netX.0-browserwasm

Unsupported targets, where only the first frame is shown, as of Uno Platform 5.4:

• netX.0-ios
• netX.0-android