C # Implementation of carriage return function key function keys

This article describes the C # keyboard input enter key to achieve the Click button Effect of the method, in C # project development is very practical value. Share to everyone for your reference.

The implementation method is as follows:

Set the KeyPreview of the form to true

Then set the Keydown,keyup or KeyPress event. Intercepted in the KeyDown event.

private void Formgongxujindu_keydown (object sender, KeyEventArgs e) {switch (E.keycode) { Case Keys.Escape:if (DialogResult.OK = = MessageBox.Show ("Hint: Are you sure you want to exit?") Press "OK" to confirm exit, press "ESC" to cancel the operation! "," hint ", Messageboxbuttons.okcancel, Messageboxicon.question, Messageboxdefaultbutton.button1 ) {this.                    Close ();                } break;                        Case Keys.return: {if (textbox1.focused = = True | | textbox2.focused = = TRUE)                            {Button1_Click (sender, E);                        Return                }} break;                Case Keys.F1:break;                Case Keys.F2:break;                Case Keys.F3:break;            Case Keys.F4:break;   }     } 

C # Implementation of carriage return function key function keys