Returns some 32-bit integer that is unique for all Element objects.

Declaration:

IG_PDE_element_get_unique_id(
        HIG_PDE_ELEMENT hElement,
        LPLONG lpnId
);

Arguments:

Return Value:

An unique identifier of this Element Object.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

It is guaranteed that there cannot be two Element objects with the same UniqueIds.

Can be used for Element objects' identification.