You can customize the look of your Windows Forms applications in many different ways, such as changing the border, opacity, shape, style, or setting a background image for your Windows Forms application.
Shows how to change the border style of a form.
You may also find the following topics useful:
How to: Change the Borders of Windows Forms Using the Designer
How to: Set the Screen Location of Windows Forms
How to: Create Transparent Windows Forms
How to: Make a Startup Windows Form Invisible
How to: Display Modal and Modeless Windows Forms
How to: Add Background Images to Windows Forms
How to: Create Nonrectangular Windows Forms
How to: Enable Windows XP Visual Styles
Describes this class and has links to all of its members.
Describes this enumeration and contains descriptions of all of its members.
Describes the features of Windows Forms that support Windows XP.
Contains links to topics that show how to change the size and scale of a form.
Contains links to topics that describe how to perform custom drawing on Windows Forms.
List owner-draw support in Windows Forms controls.