Introduction - If you have any usage issues, please Google them yourself
Graphics rendering, how to use a custom brush (color, line width, linear). How to add to the program options menu options and settings dialog box, use the standard color dialog, how to use the font dialog to achieve preview function in the Options dialog box. Data exchange Options dialog and window class. How to change the background color of the dialog boxes and controls, and how to change the text color controls button controls for special treatment. How to display a bitmap in a window.