To Download The Dll Files And Use In The Project Instead Of Writing The Whole Code From The Scratch?

Jun 3, 2010

i am trying to work up with captcha in my sign up page.Having a google search,i found a .dll which i implemented in my project and it worked fine.Now i want to know that is it a good idea to download the dll files and use it in the project instead of writing the whole code from the scratch?What are the disadvantages of using a dll instead of writing up the entire code form the scratch?

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