This function returns the current visibility state of a mark.

Declaration:

AT_ERRCOUNT ART_mark_is_visible(
        HIGEAR hIGear, 
        ART_MARK_INDEX hMarkIndex, 
        BOOL lpVisible
);

Arguments:

Return Value:

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

Supported Raster Image Formats:

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

Sample:

None

Example:

See example under ART_mark_visible() function.

Remarks:

The value returned in lpVisible is the value of the bVisible field of the mark's attribute structure.

An error is set if any of the following conditions are met:

• hIGear does not reference a valid ImageGear handle. There are no marks with a matching index block.
• lpVisible points to an invalid address.