xtd::ustring::ustring | ( | const ustring & | str, |
size_t | index, | ||
size_t | count | ||
) |
Initializes a new instance of xtd::ustring with specified substring at index and count characters.
str | The string to copy. |
index | The index of the first substring character where start copy. |
count | The number of substring characters to copy. |