Fetches a value from a column as a null-terminated wide string.
public virtual bool GetString( ul_column_num cid, ul_wchar * dst, size_t len )
cid The 1-based ordinal column number.
dst The buffer to hold the wide string value. The string is null-terminated even if truncated.
len The size of the buffer in ul_wchars.
True if the value was successfully fetched.
The string is truncated in the buffer when it isn't large enough to hold the entire value.