WM_KEYDOWN lparam

[Neutral General]

Hi,

Ich verstehe nicht genau was MSDN mir mit der Beschreibung des LPARAMs sagen will..

Zitat:

Parameters

nVirtKey

Value of wParam. Specifies the virtual-key code of the nonsystem key.

lKeyData (<-- lparam)

Value of lParam. Specifies the repeat count, scan code, extended-key flag, context code, previous key-state flag, and transition-state flag, as shown in the following table:

Value Description
0-15 Specifies the repeat count. The value is the number of times the keystroke is repeated as a result of the user holding down the key.
16-23 Specifies the scan code. The value depends on the original equipment manufacturer (OEM).
24 Specifies whether the key is an extended key, such as the right-hand ALT and CTRL keys that appear on an enhanced 101- or 102-key keyboard. The value is 1 if it is an extended key; otherwise, it is 0.
25-28 Reserved; do not use.
29 Specifies the context code. The value is always 0 for a WM_KEYDOWN message.
30 Specifies the previous key state. The value is 1 if the key is down before the message is sent, or it is 0 if the key is up.
31 Specifies the transition state. The value is always 0 for a WM_KEYDOWN message.

Es geht mir vorallem um

Zitat:

24 Specifies whether the key is an extended key, such as the right-hand ALT and CTRL keys that appear on an

Muss ich da jetzt im lparam 24 angeben wenn ich mitteilen will das es sind um einen "extended key" handelt?
PS: Ist VK_LEFT ein Extended Key?

Gruß
Neutral General