[This documentation is preliminary and is subject to change.]
Extracts a range of characters from the object.
BSTR retVal = object.substringData(offset, Count);
long that specifies the offset from which to start.
long that specifies the number of characters to extract.
substringData was introduced in Microsoft Internet Explorer 6
If the sum of the offset and Count parameters exceeds the number of characters in the object, then an error is returned.
Build date: 1/26/2012