Sample code in VB.NET for calculate and check CRC (Modbus specification). Supported both string format (like MSComm) and bytes array(like DCB).

VB 解析JSON的实用代码，可解析<Key,Value> 及数组 非常方便而且简单的例子，用到了 scrrun.dll 中的字典类型等-VB parsing JSON utility code, can be resolved <Key,Value> And the array is very easy and simple example, used a type of dictionary in scrrun.dll

vb官方源码，com，database，datetime，combobox，port，array非常适用(VB official source code, very suitable)