Introduction - If you have any usage issues, please Google them yourself
A simple drawing program, what functions can be achieved: ◎ provide a graphical user interface, the main by the operator to respond to user mouse movements ◎ allows the user to draw a straight line, rectangle, oval, round, such as geometry. ◎ allows the user to change the brush color. ◎ can display the current pen color painting as well as the activation button. ◎ can be filled with color graphics closure.