#include <stdio.h>#include <stdlib.h>#include <string.h>#include <minigui/common.h>#include <minigui/minigui.h>#include <minigui/gdi.h>#include <minigui/window.h>#include <minigui/control.h>#define IDC_CTRL1     100#define IDC_CTRL2     110#define IDC_CTRL3     120#define IDC_CTRL4     130static HWND hMainWnd = HWND_INVALID;static int ControlTestWinProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam){    static HWND hChildWnd1, hChildWnd2, hChildWnd3, hChildWnd4;    static int pos;    switch (message) {        case MSG_CREATE:            hChildWnd1 = CreateWindow ("progressbar",                               "",                               WS_VISIBLE,                               IDC_CTRL1,                               10, 20, 80, 24, hWnd, 0);            hChildWnd4 = CreateWindow ("progressbar",                               "",                               WS_VISIBLE,                               IDC_CTRL4,                               100, 20, 60, 24, hWnd, 0);            hChildWnd2 = CreateWindow ("progressbar",                               NULL,                               WS_VISIBLE,                               IDC_CTRL2,                               10, 45, 250, 24, hWnd, 0);            hChildWnd3 = CreateWindow ("progressbar",                               NULL,                               WS_VISIBLE | PBS_VERTICAL | PBS_NOTIFY,                              IDC_CTRL3,                              10, 70, 20, 120, hWnd, 0);            SendMessage (hChildWnd4, PBM_SETRANGE, 0, 1000);            SendMessage (hChildWnd4, PBM_SETSTEP, 10, 0);            pos = 0;            SetTimer (hWnd, 100, 10);        break;        case MSG_TIMER:            pos += 4;            SendMessage (hChildWnd1, PBM_SETPOS, pos, 0);            SendMessage (hChildWnd2, PBM_DELTAPOS, 10, 0);            SendMessage (hChildWnd3, PBM_DELTAPOS, 2, 0);            SendMessage (hChildWnd4, PBM_STEPIT, 0, 0);        break;        case MSG_COMMAND:        {            int id   = LOWORD(wParam);            int code = HIWORD(wParam);            char buffer [256];            HDC hdc;            sprintf (buffer, "ID: %d, Code: %x", id, code);            hdc = GetClientDC (hWnd);            TextOut (hdc, 0, 0, buffer);                        switch (id)            {                case IDC_CTRL1:                break;                            case IDC_CTRL2:                break;                                case IDC_CTRL3:                break;                                default:                break;            }            ReleaseDC (hdc);        }        break;                case MSG_CLOSE:            KillTimer (hWnd, 100);            DestroyWindow (hChildWnd1);            DestroyWindow (hChildWnd2);            DestroyWindow (hChildWnd3);            DestroyWindow (hChildWnd4);            DestroyMainWindow (hWnd);            MainWindowCleanup (hWnd);            hMainWnd = HWND_INVALID;        return 0;    }    return DefaultMainWinProc(hWnd, message, wParam, lParam);}static void InitCreateInfo(PMAINWINCREATE pCreateInfo){    pCreateInfo->dwStyle = WS_CAPTION | WS_BORDER | WS_MINIMIZEBOX                                       | WS_MAXIMIZEBOX                                      | WS_VISIBLE;    pCreateInfo->dwExStyle = WS_EX_IMECOMPOSE;    pCreateInfo->spCaption = "ProgressBar control" ;    pCreateInfo->hMenu = 0;    pCreateInfo->hCursor = GetSystemCursor(IDC_ARROW);    pCreateInfo->hIcon = 0;    pCreateInfo->MainWindowProc = ControlTestWinProc;    pCreateInfo->lx = 0;     pCreateInfo->ty = 0;    pCreateInfo->rx = 400;    pCreateInfo->by = 300;    pCreateInfo->iBkColor = GetWindowElementColor (BKC_CONTROL_DEF);    pCreateInfo->dwAddData = 0;    pCreateInfo->hHosting = HWND_DESKTOP;}void progressbar_demo (HWND hwnd){    MAINWINCREATE CreateInfo;    if (hMainWnd != HWND_INVALID) {        ShowWindow (hMainWnd, SW_SHOWNORMAL);        return;    }    InitCreateInfo (&CreateInfo);    CreateInfo.hHosting = hwnd;    hMainWnd = CreateMainWindow (&CreateInfo);}