Hello World Application

First application to make you Windows Phone say “hello”:

1. Open  Visual Studio Express for Windows Phone. Select  File  -> New Project. Choose the Visual C# then Silverlight for Windows Phone template. Select Windows Phone Application and name the project.

Window Phone Application

2. After the project is created, the screen will show design and XAML markup codes. Design view shows the phone interface which enables us to see how our program looks like during the development. For those of you who are already familiar with Visual Studio, then the Tool Box panel, Solution Explorer, and Properties pane will be around your main view.

Design Pane

3. Add a TextBox and a Button from the ToolBox. Note that we get the same experience in developing Silverlight for web applications. We can easily alter the interface from the Properties pane.

Desing View of Application

 

When a Button is selected, we can see that the button is highlighted with a box outside the Button’s border. The box indicates  the  Button’s touch area. This property is owned by every control. Change the title text in XAML into “Hello World”.

4. Double-clicking the Button will show codes behind the active page. Add a function to change Title into “Hello +” input from available TextBox.

Button_Click Event

5. Type this code for the Button’s event handler,  private void button1_Click(object sender, RoutedEventArgs e)
{
PageTitle.Text = "Hello " + textBox1.Text;
}

6. Now we can test the simple application we have made. To deploy and launch the application we can choose between running in an emulator or available Windows Phone device. Since there  are  not many deployable Windows Phone yet, let’s use the emulator to run this simple application. Press F5 and see the result...

Deployment of Application

First-time deployment may take some time to process. However, the next deployments will take less time, provided we don’t shut down the emulator. Type any text in the TextBox and press the button.
The title in the page will change according to the text inserted into  TextBox. This is your first Windows Phone application. Congratulations! :)

Final Application of Hello World