Имитация нажатия клавиши

Const VK_H = 72
Const VK_E = 69
Const VK_L = 76
Const VK_O = 79
Const KEYEVENTF_EXTENDEDKEY = &H1
Const KEYEVENTF_KEYUP = &H2
Private Declare Sub keybd_event Lib "user32.dll" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)
Private Sub Form_KeyPress(KeyAscii As Integer)
    'Print the key on the form
    Me.Print Chr$(KeyAscii);
End Sub
Private Sub Form_Paint()
    'KPD-Team 2000
    'URL: http://www.allapi.net/
    'E-Mail: KPDTeam@Allapi.net
    'Clear the form
    Me.Cls
    keybd_event VK_H, 0, 0, 0   ' press H
    keybd_event VK_H, 0, KEYEVENTF_KEYUP, 0   ' release H
    keybd_event VK_E, 0, 0, 0  ' press E
    keybd_event VK_E, 0, KEYEVENTF_KEYUP, 0  ' release E
    keybd_event VK_L, 0, 0, 0  ' press L
    keybd_event VK_L, 0, KEYEVENTF_KEYUP, 0  ' release L
    keybd_event VK_L, 0, 0, 0  ' press L
    keybd_event VK_L, 0, KEYEVENTF_KEYUP, 0  ' release L
    keybd_event VK_O, 0, 0, 0  ' press O
    keybd_event VK_O, 0, KEYEVENTF_KEYUP, 0  ' release O
End Sub

Const VK_ALT = 18
Const VK_F4 = 115
    keybd_event VK_ALT, 0, 0, 0   ' press Alt
    keybd_event VK_F4, 0, 0, 0   ' press F4
    keybd_event VK_ALT, 0, KEYEVENTF_KEYUP, 0   ' release Alt
    keybd_event VK_F4, 0, KEYEVENTF_KEYUP, 0   ' release F4