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Can't compile FutureDesktop project

May 11, 2009 at 7:23 PM

Hi Orkpade,

You're work is excellent, thanks for sharing.

I have a problem to compile the FutureDesktop project.  The error message is "Partial declarations of 'nRoute.Samples.FutureDesktop.App' must not specify different base classes" in App.xaml.cs

Can you help me?



May 11, 2009 at 8:40 PM

Thankz Mtabj, the compiling error you are referring to is a known problem with Visual Studio.. I’d mentioned about it in one of my posts, from which I've pasted the solution below:

By default or when you edit App.xaml file, VS will automatically make the App class (in the auto-generated and partial code-behind file) inherit from System.Windows.Application type, which you'll need to remove if you have inherited from a custom type. To do so, right-click and select "Go To Definition" on the "InitializeComponent' call in the App class's constructor method, where you can remove the offending/extraneous inheritance call.

Basically, VS automatically makes the other App.xaml partial class inherit from System.Window.Application type and we can’t have two different base-classes, so just remove the other inheritance statement and it will compile. Though do note, every time you change the app.xaml file, this problem will reoccur.