ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Core Component API Reference / Core Component Functions Reference / GUI Functions / GUI Thumbnail Functions / IG_GUI_thumbnail_data_get
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    IG_GUI_thumbnail_data_get
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    This function returns the current setting for the thumbnail icon data indicated by nAttributeID.

    Declaration:

     
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    AT_ERRCOUNT ACCUAPI IG_GUI_thumbnail_data_get (
            HWND hwndThumbnail, 
            UINT nIndex, 
            AT_MODE nAttributeID, 
            LPVOID lpData
    );
    

    Arguments:

    Name Type Description
    hwndThumbnail HWND Windows handle to the Thumbnail Window.
    nIndex UINT Index of an icon.
    nAttributeID AT_MODE An integer variable of type AT_MODE that indicates the attribute from which to get the current setting. These constants all have the prefix IG_GUI_THUMBNAIL_ICON_ and are defined in accucnst.h.
    lpData LPVOID The current setting of the icon attribute referred to by nAttributeID.

    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:

    All pixel formats supported by ImageGear for C and C++.

    Sample:

    None

    Example:

     
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    BOOL bIsMultipage;
    HWND hWndThumb;
    UINT nIndex;
    IG_GUI_thumbnail_data_get(hWndThumb, nIndex, IG_GUI_THUMBNAIL_ICON_ISMULTIPAGE,
    (LPVOID)&bIsMultipage);