StartOffset - 需要转换的第一个字节.

Data - 字节数组.
StartOffset - 需要转换的第一个字节.
Length - 转换的字节个数.
CharSet - 编码格式如ASCII,UTF8,GB2312.
例如:

Dim s As String
s = BytesToString(Buffer, 0, Buffer.Length, "UTF-8")
Catch
异常的抛出需要在一个try模块中，并由catch模块来捕获，调用LastException来获取捕获到的异常
语法:

Try
...
Catch
...
End Try
cE As Double
e (自然对数的底数) 常量.

CharsToString (Chars() As Char, StartOffset As Int, Length As Int) As String
将给定的字符数组转换成字符串

Chr (UnicodeValue As Int) As Char
根据给定的Unicode值获取对应的字符

Continue
停止执行当前的循环，转而执行下一个

Cos (Radians As Double) As Double
CosD (Degrees As Double) As Double
cPI As Double
PI 常量.