Question $3$: $(20$ Marks$)$

Design the following form then write a VB code to do the following

"Count Matching" button, count the matching chracters between string $1$ and string $2.$

Show your output in textbox. Without using pre$-$defined method. $(5$ marks$)$

"Insert at the middle" button, call the function insertToMid$()$ that takes string $1$ as

arguments then insert $"$VB$"$ at the middle of string$1.$ Show your output in textbox.

Without using pre$-$defined method. $(6$ marks$)$

"Insert between strings" button, show out string$1$ and string$2$ separated by $"$&$"$ Show your

output in textbox. Without using pre$-$defined method. $(4$ marks$)$

"Contains $"2"$ button, check if string$2$ contains $"m"$ then add $**$ befor string$2$ Show your

output in textbox. without using pre$-$defined method.$(5$ marks$)$

$**$ Do not use any pre$-$defined methods in any part of question above.