Add Windows XP Theme Style to your current projects

// Test.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include <commctrl.h>
#include "resource.h"

int CALLBACK DlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg) {

    case WM_INITDIALOG:

        RECT    rc;

        GetWindowRect(hDlg, &rc);

        int     nWidth, nHeight;
        
        nWidth = rc.right - rc.left;
        nHeight = rc.bottom - rc.top;
        
        int     cxScreen, cyScreen;
        
        cxScreen = GetSystemMetrics(SM_CXSCREEN);
        cyScreen = GetSystemMetrics(SM_CYSCREEN);

        MoveWindow(hDlg, (cxScreen - nWidth) / 2, (cyScreen - nHeight) / 2, nWidth, nHeight, TRUE);

        break;

    case WM_COMMAND:

        switch (LOWORD(wParam)) {

        case IDOK:
        case IDCANCEL:

            EndDialog(hDlg, 0);
            return 1;

        }

        break;

    }
    return 0;
}

int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    InitCommonControls();
	DialogBoxParam(hInstance, MAKEINTRESOURCE(IDD_DIALOG), 0, DlgProc, 0);

	return 0;
}