Suggest best way to do this approval workflow for share point form library to send email to the user

I have created the Info path form.

Once the new form created i need to send the email to users which the user selected in the people picker field.

Is that possible开发者_如何转开发 to do this using Designer,or VS 2010.

Give some reference to do this.

http://social.msdn.microsoft.com/Forums/en-US/sharepoint2010general/thread/817c0905-be9c-4b69-aee6-1c5043fc835c/