Follow these steps to introduce Windows XP visual styles into your Windows application.
1. Create a new Windows Application and add some controls to the default form.
2. For every control you place on the form that has a FlatStyle property, set the property to System.
3. Compile your application.
4. Build a manifest file in the application directory. NOTE: This manifest file must be located in the same directory as the executable. Open Notepad and place the code shown below in the file.
Contributed from George Shepherd's Windows Forms FAQ
Layout
What control should I use to create separator lines between controls on a form?
Use the Label control with its BorderStyle set to Fixed3D and height set to 2.
Contributed from George Shepherd's Windows Forms FAQ