Programming with .NET - General

Downloader behavior

Look at this code :

void _Downloader_Completed(object sender, EventArgs e)
{
    Icon.Photo.SetSource(_Downloader, null);
}
private void AddImageToCollection(string ImageName, double Left, double Top, bool FlipInfoBullRight, bool FlipInfoBullBottom, string InfoBullText, string Link)
{
    Icon = new ImageGrower(this, FlipInfoBullRight, FlipInfoBullBottom, InfoBullText, Link);

    _Downloader.Open("GET", new Uri("Images/" + ImageName + ".jpg", UriKind.RelativeOrAbsolute));
    _Downloader.Send();

    Icon.Left = Left;
    Icon.Top = Convert.ToDouble((!FlipInfoBullBottom ? ImageContainerB.GetValue(Canvas.TopProperty) : ImageContainer.GetValue(Canvas.TopProperty))) + Top;

Icons.Add(Icon);
}

Very simple right ? Well, I don't understand why it goes in the _Downloader_Completed event ONLY at the last image I'm adding in the collection.
What I would like is to set my image source as soon as I downloaded it and this for EACH image I add to the collection because I'm adding it to an object of my own. Looks like I'm getting in the COMPLETED EVENT just at the last image. so on my page I just see the last image :(

Re: Downloader behavior

I haven't tested yet but could you please try the code below?

private void AddImageToCollection(string ImageName, double Left, double Top, bool FlipInfoBullRight, bool FlipInfoBullBottom, string InfoBullText, string Link)
{
    Icon = new ImageGrower(this, FlipInfoBullRight, FlipInfoBullBottom, InfoBullText, Link);

    Downloader _Downloader;

    _Downloader.Open("GET", new Uri("Images/" + ImageName + ".jpg", UriKind.RelativeOrAbsolute));
    _Downloader.Send();
    _Downloader.Completed += new EventHandler((object sender, EventArgs eDwdr) => Icon.Photo.SetSource(_Downloader, null));

    Icon.Left = Left;
    Icon.Top = Convert.ToDouble((!FlipInfoBullBottom ? ImageContainerB.GetValue(Canvas.TopProperty) : ImageContainer.GetValue(Canvas.TopProperty))) + Top;

Icons.Add(Icon);
}

Let me know the result.

Re: Downloader behavior

Yo,

Still have only the last image as if the downloader wants to download all the images which doesn't make sense of course because I'm in a method that download for each image.

private void AddImageToCollection(string ImageName, double Left, double Top, bool FlipInfoBullRight, bool FlipInfoBullBottom, string InfoBullText, string Link)
{

    Downloader _Downloader = new Downloader();

    _Downloader.Open("GET", new Uri("Images/" + ImageName + ".jpg", UriKind.RelativeOrAbsolute));
    _Downloader.Send();

    _Downloader.Completed += new EventHandler((object sender, EventArgs eDwdr) => Icon.Photo.SetSource(_Downloader, null));

}

Re: Downloader behavior

One day I will certainly knows how to use the downloader as I need it. Maybe I can't do what I want to do the way the downloader works. I mean, I'm presenting the PAGE.XAML which the C# code behind add image to a collection and then add this collection to the children of the page.xaml. This is where I try to download the image to the client to put it in the collection prior to add it the children of the page.

I just don't really understand the behavio of the Completed that doesn't get fired after the SEND() for EACH IMAGE.

Re: Downloader behavior

Now I managed to make it work.

I had to put the downloader in the xaml c# code behind for which the image is handled. As you can feel by going there :

http://gearworld.homedns.org:8082/devpreview

Re: Downloader behavior

GearWorld
http://gearworld.homedns.org:8082/devpreview

Your link is not working.

GearWorld
I had to put the downloader in the xaml c# code behind for which the image is handled.

Can you share the code? :)

Re: Downloader behavior

Hi,

Sorry its at home so I'm opened between 6:00am and 8:00pm EST.

Sure I can share it. I will put a SILVERLIGHT LINK :) on the page so you can download the entire object, XAML + C# code. Will do it tonight at 6:00pm at least

Re: Downloader behavior

GearWorld
Sure I can share it. I will put a SILVERLIGHT LINK :) on the page so you can download the entire object, XAML + C# code. Will do it tonight at 6:00pm at least

Cool, Thanks a lot, man. :)

Re: Downloader behavior

Wow, I just saw that I don't put a lot of comment in my code. Mhuaaaaaaa