C# WPF Application class

Question

My application consists of App.cs/App.xaml and some other files. Everything is compiled to an exe file. However, I want a 2nd application, which should reference the first one. In this application is a class derived from App. But when I call the the Run() function I get an very strange error in the XAML code of the first application, saying that some image files could not be loaded.

I had a similar architecture when I was using Windows Forms and it worked fine.

It would help answering if you can provide more information regarding error — Kamran Khan
– Kamran Khan, Commented Mar 13, 2010 at 9:43
Does the second application need to be a stand-alone app? Could you accomplish the same task by using a new window in your original app? — Ed Gonzalez
– Ed Gonzalez, Commented Mar 13, 2010 at 14:17
The error is a XamlParserException saying that "resources/close.png" could not be found. The second application should add some Windows 7 functionality to the fist app. It contains code for the new Taskbar, Jumplists etc. That's why I've chosen this architecture. — hans
– hans, Commented Mar 13, 2010 at 15:14

Ray · Accepted Answer · 2010-03-13 09:36:18Z

1

Unfortunately, you can only have one App per AppDomain.

answered Mar 13, 2010 at 9:36

Ray

3,11923 silver badges29 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

Abe Heidebrecht · Accepted Answer · 2010-03-13 15:59:56Z

1

The problem is that the image is located in the first application's executable. When the second application is created, the relative paths for the images break. You can fix this by telling WPF which assembly they are located in:

<Image Source="/BaseApplication;component/resources/close.png" />

MSDN has a good article on Pack URIs in WPF that explains this more in-depth.

answered Mar 13, 2010 at 15:59

Abe Heidebrecht

30.6k7 gold badges67 silver badges67 bronze badges

2 Comments

hans Over a year ago

Ok I think I see the problem, but I don't know how to fix it currently I'm using this code: <BitmapSource x:Key="imgClose">pack://application:,,,/Resources/close.png</BitmapSource>

Abe Heidebrecht Over a year ago

Just change that to pack://application:,,,/YourBaseExecutable;/component/Resources/close.png. The pack://application:,,, can be omitted, as the xaml parser can figure it out.

hans · Accepted Answer · 2010-03-15 08:57:36Z

0

Thank you for your input. I fixed the problem now:

<BitmapSource x:Key="imgClose">pack://application:,,,/AssemblyName;component/Resources/close.png</BitmapSource>

You have to place the name of the current Assemly (AssemblyName) in the URI.

answered Mar 15, 2010 at 8:57

hans

1511 gold badge1 silver badge5 bronze badges

Collectives™ on Stack Overflow

C# WPF Application class

3 Answers 3

Comments

2 Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

Comments

2 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related