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check which key pressed

 
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Snootae
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PostPosted: Sun Jan 27, 2008 8:35 am    Post subject: check which key pressed Reply with quote
i was wondering if anyone knew how to check if a key is begin pressed in delphi, so say i press a button and it waits for a key to be pressed, and then it records it to a variable
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DeletedUser14087
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PostPosted: Sun Jan 27, 2008 8:52 am    Post subject: Reply with quote
if odd(GetAsyncKeyState(VK_F1)) then
//code

checks if F1 is pressed

useally used in TTimer
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Snootae
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PostPosted: Mon Jan 28, 2008 12:18 am    Post subject: Reply with quote
what i need to do is have a timer that waits for any key to be pressed so it can record
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sponge
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PostPosted: Mon Jan 28, 2008 12:53 am    Post subject: Reply with quote
RegisterHotkey and then handle WM_HOTKEY messages.
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HolyBlah
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PostPosted: Mon Jan 28, 2008 8:45 am    Post subject: Reply with quote
Try this:
Code:

  for I := 0 to $255 do
    if odd(GetAsyncKeyState(i)) then
    begin
      {Code here...}
    end;
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Deine Mutter
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PostPosted: Mon Jan 28, 2008 2:28 pm    Post subject: Reply with quote
wndproc? Oo
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sponge
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PostPosted: Mon Jan 28, 2008 6:21 pm    Post subject: Reply with quote
HolyBlah wrote:
Try this:
Code:

  for I := 0 to $255 do
    if odd(GetAsyncKeyState(i)) then
    begin
      {Code here...}
    end;

Registering hotkeys is much better.
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Reak
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PostPosted: Mon Jan 28, 2008 6:30 pm    Post subject: Reply with quote
sponge wrote:
Registering hotkeys is much better.


Yes but he wants to record a key.
So would have to register all keys then.
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sponge
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PostPosted: Mon Jan 28, 2008 7:44 pm    Post subject: Reply with quote
oh nvm then. the first part stated that he wnated to know if a key was being pressed.
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