How can I avoid the beep when I press the Enter key?

Typically, when you areTextboxPress the Enter key when entering the control, and you will hear the computer beep. To avoid this beep, you canKeypressEvent Processing and settingHandledThe property is"True", For example:

 

1 Void Textbox_keypress ( Object Sender, keypresseventargs E)
2   {
4 Switch (E. keychar)
5 {
6 Case   ' \ R ' :
7 E. Handled =   True ;
8 Break ;
9 }
10 }