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Some of the Windows Forms developers I've spoken to have said that one thing they want to learn is how to dynamically create controls in WPF and Silverlight. In this post I'll show you several different ways to create controls at runtime using Silverlight 4 and WPF 4. First, we'll start with how to create controls in XAML. From there, we'll move to dynamically-loaded XAML before we take a look at using the CLR object equivalents.   Creating Controls at Design Time in XAML Creating controls using the design surface and/or XAML editor is definitely the easiest way to create your UI. You can use Expression Blend or Visual Studio, depending upon how creative you want to be. If you want a more dynamic layout, you can hide and show panels at runtime. Here's an example layout: <Grid Margin= "10" > <Grid.ColumnDefinitions> <ColumnDefinition Width= "100" /> <ColumnDefinition Width= "*" />

Tomb stoning is  the process of saving the data and state of your application when it’s terminated such that it can resume where it left off when it is started back up again. There are many cases where you application may be suddenly terminated on the phone. Examples include incoming phone calls or activation of the camera on the device. Tomb stoning is an essential feature that almost every application should support to avoid customer frustration with your application. Tomb stoning an application is fairly straightforward. Every application on the phone has its own permanent storage space on the device that is referred to as isolated storage. Classes for isolated storage can be found in under the System.IO.IsolatedStorage namespace. You can use these classes to store and reload the state and data for your application. In your App.xaml file, the events you should monitor for are the following: Application_Launching – Code to execute when the application is launching. This code