On the Received Data group box, add a Rich Text Box and change its name to rtb Received.
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Start Visual Basic 2010 Express and you will be prompted with the Start Page Window Select on New Project and select Windows Form Application and give the Project a name, in this case I named it Serial Port Interface. This is the main form which will contain all other controls.
Click on the toolbox to show the controls, you may want to click on the pin to disable the autohide feature Click on the form and change its name to frm Main (for easier identification specially when adding more forms).
Since this program is only a small program, we can disable the Maximize button by setting Maximize Box value on the form’s property to false. From the common Controls, add (2) two labels, (2) two combo box and (2) two buttons.
Change the text of the first label to “Com Port:” and the second one to “Baud Rate:”.