Setting URI kind to relative disables animation of gifs

[Zircon99]

hi Thomas,

I have tried several ways to get the animation working using relative URI, but unable to do so. I implement a delegate method registered to Animationloaded, sender receiver is then null and unable to Play().

Setting autostart = true also does not work when relative URI is used. When I switch to absolute URI everything works - the delegate method sender != null so play() works fine and autostart also works.

Can you kindly assist?

[Thomas Levesque]

Hi,

I don't really understand what you're trying to do and what you've done so far... Could you show some code?

[F.bear]

I think what he said is:
When you use UriKind.Relative to get the gif animation, the animation only act like a static image. The animation can't play. Like this:
BitmapImage _faceMaskGif = new BitmapImage();
_faceMaskGif.BeginInit();
_faceMaskGif.UriSource = new Uri("/Assets/14.gif", UriKind.Relative);
_faceMaskGif.EndInit();
But when you use pack URI to get the gif animation, the animation can play well.
BitmapImage _faceMaskGif = new BitmapImage();
_faceMaskGif.BeginInit();
_faceMaskGif.UriSource = new Uri("pack://application:,,,/Assets/14.gif");
_faceMaskGif.EndInit();
Actually, I also met this issue, and I didn't find the solution. I still use pack URI.

[Zircon99]

hi there

So sorry, I did not get back - I have been travelling.

Indeed, correct. I also use absolute URI now, use a work around to resolve
the relative URI and all is well.

Thank you!

Rolf

On Mon, Nov 7, 2016 at 10:42 AM, Bearsuny [e-mail] wrote:

I think what he said is:
When you use relative URI to get the gif animation, the animation only act
like a static image. The animation can't play. Like this:
BitmapImage _faceMaskGif = new BitmapImage();
_faceMaskGif.BeginInit();
_faceMaskGif.UriSource = new Uri("/Assets/14.gif", UriKind.Relative);
_faceMaskGif.EndInit();
But when you use absolute URI to get the gif animation, the animation can
play well.
BitmapImage _faceMaskGif = new BitmapImage();
_faceMaskGif.BeginInit();
_faceMaskGif.UriSource = new Uri("pack://application:,,,/Assets/14.gif");
_faceMaskGif.EndInit();
Actually, I aslo met this issue, and I didn't find the solution to solve.
I still use absolute URI. :(

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[Thomas Levesque]

Yes, you have to specify an absolute URI if you set the image from code-behind.

Relative URIs are supported in XAML, because the XAML stack has a mechanism to resolve the absolute URI (see the IUriContext interface).

[Zircon99]

Great thank you, but all sorted. The library has been useful, thank you for
assisting.

Rolf

On Mon, Nov 7, 2016 at 2:48 PM, Thomas Levesque [e-mail]
wrote:

Yes, you have to specify an absolute URI if you set the image from
code-behind.

Relative URIs are supported in XAML, because the XAML stack has a
mechanism to resolve the absolute URI (see the IUriContext interface
https://msdn.microsoft.com/en-us/library/system.windows.markup.iuricontext.aspx
).

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