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How can I set the WPF BitmapImage UriSource property to a relative path?

I'm loading an image in WPF by using the BitmapImage class. My code works perfectly when I give an absolute path for the UriSource but not when I try and use a relative path.

My XAML is:

<Image Width="50" Name="MemberImage" HorizontalAlignment="Left">
    <Image.Source>
        <BitmapImage DecodePixelWidth="50" UriSource="questionmark.jpg" />
    </Image.Source>
</Image>

The questionmark.jpg is added to the project with a Build Action of Resource and Copy to Output Directory set to Copy always. The error I get is "The file [file name] is not part of the project or its 'Build Action' property is not set to 'Resource'". This works when I use an absolute path for the UriSource but that obviously won't do.

How should I be defining my UriSource in the XAML?

like image 293
Val M Avatar asked Jul 05 '10 14:07

Val M


2 Answers

I don't think you need to copy the image to output directory once it's in resource.

Correct way to specify is

<BitmapImage 
    x:Key  = "Logo"
 UriSource = "pack://application:,,,/ApplicationNamespace;component/Images/App/image.png"  
/>

Just replace

ApplicationNamespace with your application namespace

and

Images/App/image.png with your image path in the project

like image 187
Tae-Sung Shin Avatar answered Nov 08 '22 17:11

Tae-Sung Shin


Image files with the following options in properties
Build Action=Content
Copy to Output Directory=Copy if newer

<BitmapImage x:Key="QuestionMark" UriSource="pack://siteoforigin:,,,/questionmark.png"/>


Reference:
Xaml - Bitmap UriSource - absolute path works, relative path does not, why?

like image 42
Antonio N Avatar answered Nov 08 '22 18:11

Antonio N