Form and Control keyevent_php tutorial

Form and Control KeyEvent

I. KeyEvent of form

KeyCode:

1. private void Form1_keydown (object sender, KeyEventArgs e)
   
2. {
   
3. if ((e.modifiers = = Keys.control) && (E.keycode = = keys.z))
   
4. {
   
5. This.cancelhandler ();
   
6. }
   
7. else if ((e.modifiers = = Keys.control) && (E.keycode = = KEYS.S))
   
8. {
   
9. This.savehandler ();
   
10. }
    
11. Else
    
12. E.handled = true;
    
13. }

Two, Control ' s keyevent

Detects the correctness of the character of the input control.

2. private void Textbox1_keypress (object sender, KeyPressEventArgs e)
   
4. {
   
6. if (E.keychar = = ' B ')
   
8. Mpwflag[0] = E.keychar;
   
10. if (E.keychar = = ' A ')
    
12. MPWFLAG[1] = E.keychar;
    
14. if (E.keychar = = ' t ')
    
16. MPWFLAG[2] = E.keychar;
    
18. if (E.keychar = = ' 1 ')
    
20. Mpwflag[0] = E.keychar;
    
22. if (E.keychar = = ' 2 ')
    
24. MPWFLAG[1] = E.keychar;
    
26. if (E.keychar = = ' 3 ')
    
28. MPWFLAG[2] = E.keychar;
    
30. 
    
32. if (mpwflag[0] = = ' B ' && mpwflag[1] = = ' A ' && mpwflag[2] = = ' t ')
    
34. {
    
36. Mpwflag[0] = ' 0 ';
    
38. MPWFLAG[1] = ' 0 ';
    
40. MPWFLAG[2] = ' 0 ';
    
42. Batcreatetopic BCT = new Batcreatetopic (this);
    
44. This.button3.Visible = true;
    
46. DC2. ShowDialog (this);
    
48. }
    
50. }

http://www.bkjia.com/PHPjc/1105051.html www.bkjia.com true http://www.bkjia.com/PHPjc/1105051.html techarticle form and Control keyevent A, form of the keyevent keycode:private void Form1_keydown (object sender, KeyEventArgs e) {if (E. Modifiers = = Keys.control) (E.keycode = = keys.z)) { this ...

