Sunday, July 5, 2009

Chapter 6-Lesson 1

  • Brush is an abstract class. Brushes is a sealed class.
  • ColorConverter and ColorTranslator are used to convert colour value from one format to another.
  • Graphics is a sealed class.
  • Pen (and related) classes are used to draw shapes and Brush (and related classes) are used to fill regions with colours.
  • All classes suffixed with Converter are accessed through TypeDescriptor.
  • Color, Rectangle, Point and Size are structures and not classes.
  • Color names in Color structure are actually properties inside the structure.
  • DrawString( ) method of the Graphics class may be used to draw a string using a specified Brush and Font objects.
  • By default Pen class draws solid lines
  • Usually System.Drawing.Drawing2D namespace is required for Graphics programming.
  • LineCap enumeration defines possible values to set edges of a line.
  • Draw methods usuallu require a Pen type object and Fill methods usually require a Brush type object.
  • Brush is an abstract class. Use one the childrens instead.

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