化学图形处理软件，提供进行三维化学图形API函数，二维化学图形编辑的API-Chemical graphics processing software, providing three-dimensional chemical graphics API function, two-dimensional chemical graphics editing API

vb源程序 演示如何将数字及字符生成二维码图像，并用于实例中。-vb source code demonstrates how to generate numbers and characters two-dimensional code image, and for instance.

pb_makeqbbarcode pb二维码生成-PB make QB barcode