ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Core Component API Reference / Core Component Functions Reference / GUI Functions / GUI Page Functions / IG_GUI_page_order_CB_register
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    IG_GUI_page_order_CB_register
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    This function registers a callback of type LPFNIG_GUIPAGEDELETEPROC in which you can write a procedure that will receive notification if the image icons in the GUI page sorter window are moved around by the user.

    Declaration:

     
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    AT_ERRCOUNT ACCUAPI IG_GUI_page_order_CB_register( 
            HWND hwndPage,
            LPFNIG_GUIPAGEORDERPROC lpfnPageOrderProc, 
            LPVOID lpPrivate
    );
    

    Arguments:

    Name Type Description
    hwndPage HWND Windows handle to the GUI page sorter window.
    lpfnPageOrderProc LPFNIG_GUIPAGEORDERPROC A far pointer to the callback function that you would like to register.
    lpPrivate LPVOID A far pointer to any private data that you would like to pass to the callback function.

    Return Value:

    Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

    Supported Raster Image Formats:

    This function does not process image pixels.

    Sample:

    Page, GUI Scan

    Example:

    See the example code under LPFNIG_GUIPAGEORDERPROC.

    Remarks:

    The user can move the image icons in the GUI page sorter window around by holding down the Shift key and dragging with the left mouse button.