This function returns (in lpUndoCount) the number of times that ART_edit_undo() can be called.
Declaration:
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AT_ERRCOUNT ART_edit_undo_count(
HIGEAR hIGear,
LPDWORD lpUndoCount
);
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Arguments:
| hIGear | HIGEAR handle to the image. |
| lpUndoCount | A far pointer that returns the number of undo operations that can be performed. |
Return Value:
Returns the number of ImageGear errors that occurred during the function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional.
Sample:
Annotation
Example:
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HIGEAR hIGear; /* HIGEAR handle of image */ AT_ERRCOUNT nErrcount; /* tally of IG errors on stack */ DWORD dwMarkCount; /* count of potential undos */ nErrcount = ART_edit_undo_count(hIGear, &dwMarkCount); |
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Remarks:
An error is set if any of the following conditions are met:
- hIGear does not reference a valid ImageGear handle.
- The memory pointed to by lpUndoCount is invalid.