Mine

#include <windows.h>#include <commctrl.h>int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){    MSG msg;    HWND hwnd, updn, edit;    InitCommonControls();    hwnd = CreateWindow("STATIC", "Main", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 100, 100,                        NULL, NULL, NULL, NULL);    edit = CreateWindow("EDIT", 0, WS_VISIBLE|WS_CHILD, 0, 0, 25, 15,                        hwnd, NULL, NULL, NULL);    updn = CreateWindow(UPDOWN_CLASS, 0, UDS_SETBUDDYINT|WS_VISIBLE|WS_CHILD, 25, 0, 25, 15,                        hwnd, NULL, NULL, NULL);    SendMessage(edit, WM_SETTEXT, 0, (LPARAM)"10");    SendMessage(updn, UDM_SETBUDDY, (WPARAM)edit, 0);    while (GetMessage(&msg, NULL, 0, 0))    {        TranslateMessage(&msg);        DispatchMessage(&msg);    }    DestroyWindow(hwnd);    return 0;}