Implementing Scrollbars: Step 1

Modify the window style specified in the InitInstance function so that the window can have scrollbars. You do this by adding the WS_VSCROLL and WS_HSCROLL styles, as shown in the following code:

/* Create a main window for this application instance. */
   hWnd = CreateWindow (
                        TEXT("LEADWClass"),
                        TEXT("LEADTOOLS Sample Application"),  /* Window title */
                        WS_OVERLAPPEDWINDOW | WS_VSCROLL| WS_HSCROLL , /* Window style */
                        CW_USEDEFAULT, /* Default X position */
                        CW_USEDEFAULT, /* Default Y positioned */
                        CW_USEDEFAULT, /* Default window width */
                        CW_USEDEFAULT, /* Default window height */
                        NULL, /* Overlapped windows have no parent */
                        NULL, /* Use the window class menu */
                        hInstance, /* This instance owns this window */
                       NULL); /* Pointer not needed */