sending keystroke to a program

This is a discussion on sending keystroke to a program within the Windows Programming forums, part of the Platform Specific Boards category; Hello I am new to windows programming . I need your help . I want to start a windows program ...

  1. #1
    mvs
    mvs is offline
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    Aug 2006
    Posts
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    sending keystroke to a program

    Hello
    I am new to windows programming .
    I need your help . I want to start a
    windows program and send Y and Q
    keystrokes to it to push its buttons .

    I am using Dev C++ ver 4.0

    Code:
    #include <iostream.h>
    #include <stdlib.h>
    # include<fstream>
    # include<string>
    # include<conio.h>
    # include<time.h>
    # include<windows.h>
    # include<tchar.h>
     main()
    {
        
          system ("start raspppoe") ;
          keybd_event('y', 0, 0, 0);
          keybd_event('y', 0, KEYEVENTF_KEYUP, 0);
          keybd_event('q', 0, 0, 0);
          keybd_event('q', 0, KEYEVENTF_KEYUP, 0);
       
      system("exit") ;
    
      return ;
    }
    it is not working ... please help me . Thanks

  2. #2
    Registered User
    Join Date
    Mar 2005
    Location
    Mountaintop, Pa
    Posts
    1,059
    Use the VkKeyScan or VkKeyScanEx functions to translate the character to a corresponding virtual key code.

    Code:
    #include<windows.h>
    
    int main(void )
    {
    	keybd_event(VkKeyScan('y'), 0, 0, 0);
    	keybd_event(VkKeyScan('y'), 0, KEYEVENTF_KEYUP, 0);
    	keybd_event(VkKeyScan('q'), 0, 0, 0);
    	keybd_event(VkKeyScan('q'), 0, KEYEVENTF_KEYUP, 0);
    
    	// or alternatively...
    		
    	keybd_event(0x59, 0, 0, 0);
    	keybd_event(0x59, 0, KEYEVENTF_KEYUP, 0);
    	keybd_event(0x51, 0, 0, 0);
    	keybd_event(0x51, 0, KEYEVENTF_KEYUP, 0);	
    	return 0;
    }

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