使用SDK编写一个画图小程序：交互式绘制图形（至少包括线、矩形和文本），绘制完成的图形能够正确地重现，绘制结果可以正确持久化（存储到文件、从文件中读出），线、矩形、文本的颜色（线色和填充色）、文本字体可调，能够通过鼠标点击选中图形，并进行属性的修改，修改的内容可包括：位置，大小，颜色，线型字体（对应文本图元而言）。适合初学windows编程，理解概念。

-Use the SDK to write a small drawing program: interactive rendering graphics (at least including lines, rectangles, and text), the graphics drawing done correctly reproduce the correct results can be drawn persistent (stored in the file, read from a file), lines, rectangles, text color (line color and fill color), text font adjustable, can be selected by mouse click graphics, and make property changes, the modifications may include: location, size, color, line font (the corresponding pixel in terms of text). Windows programming for beginners to understand the concept.