演示书上的一些例题，如调色板、工资统计，画笔等-Demonstrate some examples of books，If the color palette, wage statistics, brushes, etc.

vb小程序调色，可以设计关于颜色的代码。如更改窗体背景色。-vb small program palette, you can design the color code. Such as changing the form background color.