Can someone provide a simple C++ example of using SendInput to send the 
number 5 to Notepad in 20 lines of code or less?

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Request for Question Clarification by keystroke-ga on 31 Jul 2006 13:11 PDT

I believe these two items will help you

http://msdn.microsoft.com/msdnmag/issues/05/01/CQA/

http://www.experts-exchange.com/Programming/Programming_Languages/Cplusplus/Q_21119534.html

#define _WIN32_WINNT 0x0501
#include <windows.h>
#include <iostream>

using namespace std;

void main()
{
char end;
HWND windowHandle = FindWindow(0, "test.txt - Notepad");
INPUT *key;
if(windowHandle == NULL)
 cout << "not found";
SetForegroundWindow(windowHandle);
Sleep(1000);

key = new INPUT;
key->type = INPUT_KEYBOARD;
key->ki.wVk = 41;
key->ki.dwFlags = 0;
key->ki.time = 0;
key->ki.wScan = 0;
key->ki.dwExtraInfo = 0;
SendInput(1,key,sizeof(INPUT));
key->ki.dwExtraInfo = KEYEVENTF_KEYUP;
SendInput(1,key,sizeof(INPUT));
cout << "key inputted";
cin >> end;
}

Let me know if it points you in the right direction.

--Keystroke-ga

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Request for Question Clarification by keystroke-ga on 31 Jul 2006 13:13 PDT

You will also need to have open a notepad file called "test.txt".
Otherwise this wont work.

--Keystroke-ga

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Clarification of Question by jamest-ga on 31 Jul 2006 13:38 PDT

The second link (experts-exchange.com) looks like it should work, but
the person posting states that it does not work: "Can someone please
tell me what I'm doing wrong in my code and how to fix please?"

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Request for Question Clarification by keystroke-ga on 31 Jul 2006 15:04 PDT

The answer is at the bottom of the page

"SendInput(1,key,sizeof(key));

replace with:


SendInput(1,key,sizeof(INPUT));

sizeof(key) is 4 sins key is pointer."

I already merged his code in with the original posters. I do not have
a c++ compiler on this machine so I cannot test it myself, also my C++
knowledge is a little rusty :)

--Keystroke-ga

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Clarification of Question by jamest-ga on 31 Jul 2006 18:03 PDT

Great!  This is the first question I have ever posted.  How do I accept your answer?

The good thing with google answers is that you don't have to accept
the answer, once we have worked out the best answer for you (unless it
is obvious or the researcher is 100% sure of answering correctly) then
generally most researchers answer the question in the clarification
section and when the answer is accepted they post it in the Answer
box. Once that is done the answer is automatically accepted and
payment is sent. I hope that answers your question, I'll give you that
one for free ;)

I believe these two items will help you

http://msdn.microsoft.com/msdnmag/issues/05/01/CQA/

http://www.experts-exchange.com/Programming/Programming_Languages/Cplusplus/Q_21119534.html

#define _WIN32_WINNT 0x0501
#include <windows.h>
#include <iostream>

using namespace std;

void main()
{
char end;
HWND windowHandle = FindWindow(0, "test.txt - Notepad");
INPUT *key;
if(windowHandle == NULL)
 cout << "not found";
SetForegroundWindow(windowHandle);
Sleep(1000);

key = new INPUT;
key->type = INPUT_KEYBOARD;
key->ki.wVk = 41;
key->ki.dwFlags = 0;
key->ki.time = 0;
key->ki.wScan = 0;
key->ki.dwExtraInfo = 0;
SendInput(1,key,sizeof(INPUT));
key->ki.dwExtraInfo = KEYEVENTF_KEYUP;
SendInput(1,key,sizeof(INPUT));
cout << "key inputted";
cin >> end;
}

Let me know if it points you in the right direction.

--Keystroke-ga