string SubStr ( string  str, unsigned int  idx, unsigned int  len  )

inline

Extract a portion of a string.

Return a sub-string from the specified input string starting at idx and including the specified number of characters. The input string parameter may be a variable, constant, or expression.

Parameters

str	A string.
idx	The starting point of the sub-string.
len	The length of the sub-string.

Returns

The sub-string extracted from parameter str.

Examples:

ex_StrCatOld.nxc, ex_string.nxc, and ex_SubStr.nxc.