WPF binding from app.config

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Dear All,
I'm new in WPF and I will bind in the XAML code the content of a label with a parameter stored in the app.config. I work around and cannot do it.
I have in app.config :

XML

<configuration>
  <appSettings>
    <add key="Title" value="EndPoint Supervisor 2"/>
  </appSettings>
</configuration>

and I would like this binding in my label :

CSS

<Label Grid.Column="1"
                    Name="LabelTitle"
                    Content="{Binding ???}" />

With what code must I replace ???? to have a binding with the key "Title".
Thank in advance.

Posted 9-Jun-10 4:34am

LOUIS Christian

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WillemM · Answer 1 · 2010-06-27T06:13:00

The application settings cannot be bound directly. You can however introduce an intermidiate model that wraps the application settings.

For example:

public class ConfigurationSettings {
    public string Title { 
        get { return ConfigurationManager.AppSettings["Title"] as String; }
    }
}

Then you can bind this model to your view and use the following binding expression to get a hold of the title.

<label text="{Binding Title}" ...="" />