change keyboard keys

please guys help me
is it possible when i press 'a' on keyboard it should print 'n' on screen? I want c or c++ program

Yaswanth, No one on the board will write this program for you but it is possible to write a program that does what you're looking for. Choose the language you're comfortable with and take it from there. Post any attempts you have and we'll be glad to help you out.

Why do you want to do this? Have you considered tools like AutoIt that might be able to do this?

Quote:

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Originally Posted by laserlight

Why do you want to do this? Have you considered tools like AutoIt that might be able to do this?

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Just for knowledge

Quote:

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Originally Posted by caroundw5h

Yaswanth, No one on the board will write this program for you but it is possible to write a program that does what you're looking for. Choose the language you're comfortable with and take it from there. Post any attempts you have and we'll be glad to help you out.

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Thanks for responce

I am good at C and C++ but has absolute zero knowledge in this keyboard area can yo help me

If your OS/compiler support the non-standard "conio" header file, then you can adapt an example from a FAQ on this site to achieve your goal.

FAQ > How can I get input without having the user hit [Enter]? - Cprogramming.com

Otherwise, you'd be better off looking into other libraries, or even other languages (as already mentioned in this thread).

ncurses is another option

There are many different ways you can do it. The smiples would to check the post#6 and read through the FAQ. When you enter key on a keyboard the corresponding ASCII valuecan be captured and check for if the the key just entered was 'a'. If it is then print 'n'.

Code:

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int CharEntered = KeyPress();

if( CharEntered == 65 || CharEntered == 97 )
{ print("n") ); }

can also be written

if( CharEntered == 'a' || CharEntered == 'A' )
{  print( "n" );  }

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But as said this is a very simple approch. But however it depends on what platform and OS your working on. You can use some rich of libraries such as ncurser.h on unix platfomr.

ssharish

Quote:

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Originally Posted by ssharish2005

There are many different ways you can do it. The smiples would to check the post#6 and read through the FAQ. When you enter key on a keyboard the corresponding ASCII valuecan be captured and check for if the the key just entered was 'a'. If it is then print 'n'.

Code:

---

int CharEntered = KeyPress();

if( CharEntered == 65 || CharEntered == 97 )
{ print("n") ); }

can also be written

if( CharEntered == 'a' || CharEntered == 'A' )
{  print( "n" );  }

---

But as said this is a very simple approch. But however it depends on what platform and OS your working on. You can use some rich of libraries such as ncurser.h on unix platfomr.

ssharish

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Thank you very much. your code is simple and great

I want to modify my question. If I press 'a' then 'n' button should be pressed.
Can I achieve this by using

Code:

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CharEntered = KeyPress();
if( CharEntered == 65 || CharEntered == 97 )
{
keybd_event VK_N, 0, 0, 0  ' press N
keybd_event VK_N, 0, KEYEVENTF_KEYUP, 0  ' release N
}

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