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_state_get
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    IG_GUI_thumbnail_state_get
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    This function changes the thumbnail's state to highlighted and/or selected.

    Declaration:

     
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    AT_ERRCOUNT ACCUAPI IG_GUI_thumbnail_state_get ( 
            HWND hWndThumbnail, 
            UINT nIndex, 
            UINT nMask, 
            LPUINT lpnState 
    );
    

    Arguments:

    Name Type Description
    hWndThumbnail HWND Handle of the Thumbnail window.
    nIndex UINT Index of an thumbnail.
    nMask UINT Mask of state.
    lpnState LPUINT State of an thumbnail.

    Return Value:

    Returns the number of ImageGear errors that occurred during this function call.

    Supported Raster Image Formats:

    This function does not process image pixels.

    Sample:

    Thumbnail

    Example:

    For an example of this and other IG_GUI_thumbnail_ functions and callbacks, see the Thumbnail sample application.

    Remarks:

    nMask and lpnState can be a combination of the following values: IG_GUI_THUMBNAIL_STATE_HIGHLIGHT and IG_GUI_THUMBNAIL_STATE_SELECT.