sending keys

I just can't get it to work... can anyone tell me the code they would use to send a key to something like notepad and have it read it as if it were you hitting a key on the keyboard?:confused:

Like this -

Code:

---

#include <windows.h>

int main()
{

        HWND hwnd=0;

        //Get main notepad handle
        while(hwnd==0)
                hwnd = FindWindow("Notepad",0);

        HWND hwndEdit =0;

        //Get notepad edit control
        while(hwndEdit==0)
                hwndEdit = FindWindowEx(hwnd,0,"edit",0);

        //write an 'a'
        TCHAR test = 'a';
        SendMessage(hwndEdit,WM_CHAR,test,0);

        return 0;
}

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It worked!! Thank you so much!:)