Приложение для сортировки 5 введённых чисел

#include <vcl.h>
 
LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
HINSTANCE hInst;
char ClassName[]="Window";
char AppTitle[]="Application Win32";
int WINAPI WinMain(
    HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPSTR lpCmdLine,
    int nCmdShow
    )
{
    WNDCLASS wc;
    HWND hWnd;
 
    HWND spis1;
    HWND spis2;
    HWND spis3;
    HWND spis4;
    HWND spis5;
 
    HWND knopka;
 
    HWND ComboBox;
 
    HWND Static1;
    HWND Static2;
    HWND Static3;
    HWND Static4;
    HWND Static5;
    HWND Static6;
 
    MSG msg;
    hInst=hInstance;
    if((hWnd=FindWindow(ClassName, NULL))!=NULL)
    {
        if(IsIconic(hWnd)) ShowWindow(hWnd, SW_RESTORE);
        SetForegroundWindow(hWnd);
        return FALSE;
    }
    memset(&wc, 0, sizeof(wc));
    wc.lpszClassName=ClassName;
    wc.lpfnWndProc=(WNDPROC)WndProc;
    wc.style=CS_HREDRAW|CS_VREDRAW;
    wc.hInstance=hInstance;
    wc.hIcon=LoadIcon(NULL,IDI_APPLICATION);
    wc.hCursor=LoadCursor(NULL,IDC_ARROW);
    wc.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
    wc.lpszMenuName=NULL;
    wc.cbClsExtra=0;
    wc.cbWndExtra=0;
    RegisterClass(&wc);
    hWnd=CreateWindow(
        ClassName,
        AppTitle,
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        NULL,
        NULL,
        hInst,
        NULL);
    if(!hWnd)
    {
        MessageBox(NULL,"Create: error",AppTitle,MB_OK|MB_ICONSTOP);
        return FALSE;
    }
    knopka=CreateWindow("button", "Отсортировать", WS_CHILD,5,290, 204,50, hWnd, NULL, hInst, NULL);
    ShowWindow(knopka, nCmdShow);
 
    spis1=CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "0", WS_CHILD | WS_VISIBLE | ES_LEFT,160, 50, 50, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(spis1, nCmdShow);
 
    spis2=CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "0", WS_CHILD | WS_VISIBLE | ES_LEFT,160, 90, 50, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(spis2, nCmdShow);
 
    spis3=CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "0", WS_CHILD | WS_VISIBLE | ES_LEFT,160, 130, 50, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(spis3, nCmdShow);
 
    spis4=CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "0", WS_CHILD | WS_VISIBLE | ES_LEFT,160, 170, 50, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(spis4, nCmdShow);
 
    spis5=CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "0", WS_CHILD | WS_VISIBLE | ES_LEFT,160, 210, 50, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(spis5, nCmdShow);
 
 
    ComboBox=CreateWindow("ComboBox", "", WS_CHILD|WS_VISIBLE|CBS_SORT|CBS_DROPDOWNLIST, 210, 250, 130, 100, hWnd, NULL, hInst, NULL);
    ShowWindow(ComboBox, nCmdShow);
 
 
 
 
    Static1=CreateWindowEx(WS_EX_CLIENTEDGE, "Static", "Введите число 1: ", WS_CHILD | WS_VISIBLE | ES_LEFT, 5, 50, 140, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(Static1, nCmdShow);
 
    Static2=CreateWindowEx(WS_EX_CLIENTEDGE, "Static", "Введите число 2: ", WS_CHILD | WS_VISIBLE | ES_LEFT, 5, 90, 140, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(Static2, nCmdShow);
 
    Static3=CreateWindowEx(WS_EX_CLIENTEDGE, "Static", "Введите число 3: ", WS_CHILD | WS_VISIBLE | ES_LEFT, 5, 130, 140, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(Static3, nCmdShow);
 
    Static4=CreateWindowEx(WS_EX_CLIENTEDGE, "Static", "Введите число 4: ", WS_CHILD | WS_VISIBLE | ES_LEFT, 5, 170, 140, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(Static4, nCmdShow);
 
    Static5=CreateWindowEx(WS_EX_CLIENTEDGE, "Static", "Введите число 5: ", WS_CHILD | WS_VISIBLE | ES_LEFT, 5, 210, 140, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(Static5, nCmdShow);
 
    Static6=CreateWindowEx(WS_EX_CLIENTEDGE, "Static", "Выберите метод сортировки:", WS_CHILD | WS_VISIBLE | ES_LEFT, 5, 250, 200, 30, hWnd, (HMENU)10000, hInstance, NULL);
    ShowWindow(Static6, nCmdShow);
 
 
 
ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);
    while(GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
 char *str="Введите числа:";
    switch(msg)
    {
        case WM_PAINT:
        {
        HDC hDC;
        PAINTSTRUCT ps;
        hDC=BeginPaint(hWnd,&ps);
        TextOut(hDC,20,20,str,strlen(str));
        EndPaint(hWnd,&ps);
        };break;
        case WM_LBUTTONDOWN:
        {
        MessageBox (hWnd, "Здравствуй","Приветствие",MB_OK|MB_ICONINFORMATION);
        };break;
        case WM_DESTROY:
        {
            PostQuitMessage(0);
        }; break;
        default: return DefWindowProc(hWnd, msg, wParam, lParam);
    }
    return 0l;
}