Status Bar Demo

To create a Status Bar control, specify STATUSCLASSNAME as the window class and register the Status Bar common control class by specifying the ICC_BAR_CLASSES flag in the accompanying INITCOMMONCONTROLSEX structure before calling InitCommonControlsEx().

#define _WIN32_WINNT 0x0501
#include <windows.h>
#include <commctrl.h>
#include <stdio.h>

#pragma comment(lib, "comctl32.lib")

#define IDC_STATUSBAR 100

HWND hWndStatusBar;

//Window procedure declaration
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

LRESULT CALLBACK WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
    switch(Msg)
    {
    case WM_CREATE:
    {
        //Create status bar control
        hWndStatusBar = CreateWindowEx(
            0,
            STATUSCLASSNAME,
            NULL,
            WS_CHILD | WS_VISIBLE | SBARS_SIZEGRIP,
            0,
            0,
            0,
            0,
            hWnd,
            (HMENU)IDC_STATUSBAR,
            (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE),
            NULL);

        //Check status bar was created
        if(!hWndStatusBar)
        {
            MessageBox(
                NULL,
                TEXT("Failed To Create Status Bar"),
                TEXT("Error"),
                MB_OK | MB_ICONERROR);

            return 0;
        }

        //Array containing the right edge position of each pane
        //The last value -1 fills the remaining window width
        int iStatusWidths[] =
        {
            150,
            310,
            -1
        };

        //Set number of panes and their widths
        SendMessage(
            hWndStatusBar,
            SB_SETPARTS,
            3,
            (LPARAM)iStatusWidths);

        //Put text into first pane
        SendMessage(
            hWndStatusBar,
            SB_SETTEXT,
            0,
            (LPARAM)TEXT("Ready"));

        //Put text into second pane
        SendMessage(
            hWndStatusBar,
            SB_SETTEXT,
            1,
            (LPARAM)TEXT("Status Bar Demo"));

        //Put text into third pane
        SendMessage(
            hWndStatusBar,
            SB_SETTEXT,
            2,
            (LPARAM)TEXT("Visual C++ 6.0"));
        break;
    }



    case WM_SIZE:
    {
        //Resize status bar when window changes size
        SendMessage(
            hWndStatusBar,
            WM_SIZE,
            0,
            0);
        break;
    }

    case WM_CLOSE:
    {
        DestroyWindow(hWnd);
        break;
    }

    case WM_DESTROY:
    {
        PostQuitMessage(0);
        break;
    }

    default:
        return DefWindowProc(
            hWnd,
            Msg,
            wParam,
            lParam);
    }
    return 0;
}

int WINAPI WinMain(
    HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPSTR lpCmdLine,
    int nCmdShow)
{
    //Load common controls
    InitCommonControls();
    WNDCLASSEX wc;
    MSG Msg;
    //Define window class
    wc.cbSize = sizeof(WNDCLASSEX);
    wc.style = 0;
    wc.lpfnWndProc = WndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = hInstance;
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
    wc.lpszMenuName = NULL;
    wc.lpszClassName = TEXT("MainWindowClass");

    //Register window class
    if(!RegisterClassEx(&wc))
    {
        MessageBox(
            NULL,
            TEXT("Window Registration Failed"),
            TEXT("Error"),
            MB_OK | MB_ICONERROR);
        return 0;
    }

    //Create main application window

    HWND hWnd = CreateWindowEx(
        WS_EX_CLIENTEDGE,
        TEXT("MainWindowClass"),
        TEXT("Status Bar Demo"),
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        550,
        150,
        NULL,
        NULL,
        hInstance,
        NULL);

    if(hWnd == NULL)
    {
        return 0;
    }

    //Display window

    ShowWindow(
        hWnd,
        nCmdShow);
    UpdateWindow(hWnd);

    //Main message loop

    while(GetMessage(&Msg,NULL,0,0))
    {
        TranslateMessage(&Msg);
        DispatchMessage(&Msg);
    }

    return Msg.wParam;
}