IWMPEvents::KeyDown (Windows Embedded CE 6.0)
1/6/2010
The KeyDown event occurs when a key is pressed.
Syntax
void KeyDown( short nKeyCode, short nShiftState );
Parameters
- nKeyCode
[in] Specifies which physical key is pressed. For possible values, see the Remarks section.
- nShiftState
[in] A bit field with the least significant bits corresponding to the SHIFT key (bit 0), the CTRL key (bit 1), and the ALT key (bit 2). These bits correspond to the values 1, 2, and 4, respectively. The shift argument indicates the state of these keys. Some, all, or none of the bits can be set, indicating that some, all, or none of the keys are pressed.
Return Values
This event does not return a value.
Remarks
The nKeyCode argument specifies a physical key. The following tables show the possible values for the major keys on a standard keyboard.
Values for the main keys.
| Key | Value |
|---|---|
A-Z |
65-90 |
0-9 |
48-56 |
F1-F12 |
112-123 |
ESC |
27 |
TAB |
9 |
CAPS LOCK |
20 |
SHIFT (left or right) |
16 |
CTRL (left or right) |
17 |
ALT (left or right) |
18 |
SPACE |
32 |
BACKSPACE |
8 |
ENTER |
13 |
Windows logo key, left |
91 |
Windows logo key, right |
92 |
Application key |
93 |
Values for the number pad keys.
| Key | Value |
|---|---|
0-9 |
96-105 |
NUM LOCK |
144 |
DIVIDE (/) |
111 |
MULTIPLY (*) |
106 |
SUBTRACT (-) |
109 |
ADD (+) |
107 |
SEPARATOR (Enter) |
108 |
DECIMAL (.) |
110 |
Values for the navigation keys.
| Key | Value |
|---|---|
INSERT |
45 |
DELETE |
46 |
HOME |
36 |
END |
35 |
PAGE UP |
33 |
PAGE DOWN |
34 |
UP ARROW |
38 |
DOWN ARROW |
40 |
LEFT ARROW |
37 |
RIGHT ARROW |
39 |