 
            This function returns number of records in the undo action list.
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                        Copy Code
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AT_ERRCOUNT IG_ARTX_page_undo_count(
        HIG_ARTX_PAGE hPage,
        LPUINT pnUndoCount
);
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| Name | Type | Description | 
|---|---|---|
| hPage | HIG_ARTX_PAGE | ArtX page handle. | 
| pnUndoCount | LPUINT | Pointer to storage for the function result. | 
Error count.
This function does not process image pixels.