本程序完成的是一个类似于Windows画图板的画图程序。

整个程序界面很简洁，一目了然，与大多数Windows的应用程序的风格一样。在左上方的菜单栏里有文件、色彩、线条粗细、帮助4个下拉式菜单，可以对绘图文件进行相应的操作。下面一排是工具按钮的工具栏，从左到右依次为：新建文件、打开文件、保存文件、随笔画、直线、空心矩形、实心矩形、空心椭圆、实心椭圆、空心圆、实心圆、空心圆角矩形、实心圆角矩形、橡皮擦、颜色选择按钮、线条粗细设置按钮、文字添加按钮、粗细字体选择框、斜体字体选择框、字体选择下拉式选择框。整个工具栏是可以拖动的，可将它拖到程序窗口内的任意位置。工具栏下面的整个白色区域就是绘图区域，即绘图面板，它的大小可以随着窗口的大小自动调整。在窗口底部是鼠标状态提示条，可以显示当前的鼠标状态，包括进出窗口、移动、单击、松开等。

要使用本系统，只需要根据界面提示选择相应的功能按钮就能在画图区域实现画图功能。-This program is a complete drawing board similar to Windows Paint program.

　　The program interface is very simple, clear, with most Windows applications, like the style. In the upper left menu bar has the file, color, line thickness, to help four drop-down menu, you can operate the corresponding drawing file. A row of buttons below the toolbar is a tool, from left to right: New file, open file, save file, essays, paintings, straight, hollow rectangle, filled rectangle, hollow oval, solid oval, hollow round, solid round, hollow rounded rectangle, solid rounded rectangle, eraser, color selection button, line weight settings button, text the Add button, the thickness of the font selection box, italics, font selection box, font selection drop-down selection box. Can drag the toolbar, and can drag it anywhere within the program window. Toolbar below the white area is the drawing area, the drawing panel, its size can be automatically adjusted as the size of the window. In the bottom of t