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Working with Rectangles

Before learning how to draw shapes, you need to understand the concept of a rectangle as it relates to Visual C# .NET programming. A rectangle is a structure used to hold bounding coordinates used to draw a shape. A rectangle isn't necessarily used to draw a rectangle (although it can be). Obviously, a square can fit within a rectangle. However, so can circles and ellipses. Figure 18.3 illustrates how most shapes can be bound by a rectangle.

Figure 18.3. Rectangles are used to define the bounds of most shapes.

To draw most shapes, you must first have a rectangle. The rectangle you pass to a drawing method is used as a bounding ...