make a textbox control form scratch

Does anybody here know how to make a textbox control from scratch?
Please help me, because it's been 3 years for me to search and find nothing.

Hi,

I have a full fledge text control developed six years ago. Do you want to buy it or would like to get it for free. I used it for one of my projects few years ago and it was successful.

I can even guide and help you if want to create a text control from scratch.

Cheers

i think, the free one looks interesting for me.

but the important is, i just need how to make the prompt like this blinking "|" char. and how to manage the position of each character.

i would be thankfull if u teach me how to make it