SetWindowText()

If i have a variable buffer containing a string for example "18" and i wanted to add a 9 to the end of the string and place it in an edit window. How would i code that im sure its a stupid question but im coming from a java background my code looks a bit like this

Code:

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        TCHAR buffer [256];
        GetWindowText(hwndEdit,buffer,255);
        SetWindowText(hwndEdit,TEXT("buffer + 9"));

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where buffer contins the original string.I know my code is wrong, I just put it like that to show what im trying to do.

One way is to append the TCHAR string using _tcscat() from tchar.h.

gg