MSDN Documentation

Graphics Device Interface (GDI) Overview

The Graphics Device Interface (GDI) provides a set of functions for rendering graphics and text on Windows devices. It forms the foundation for drawing operations in the System.Drawing namespace.

• Graphics

  Represents a GDI+ drawing surface, providing methods for drawing shapes, text, and images.

• Pen

  Defines the attributes of lines and curves, such as color, width, and dash style.

• Brush

  Abstract base class for filling graphics shapes with solid colors, gradients, or patterns.

• Font

  Encapsulates a GDI font, including its family, size, and style.

• Bitmap

  Represents an image defined by pixel data.

• Color

  Defines colors using ARGB (alpha, red, green, blue) components.

• Region

  Specifies the interior of a shape or a combination of shapes.

• Matrix

  Represents a 3x3 affine transformation matrix for geometric transformations.

• GraphicsPath

  Provides a series of connected lines and curves.