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XControl Data Change


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I'm trying to create a custom image-viewing indicator using XControls. The problem is the data change event is never triggered (the images come from a camera). As I understand, this happens because the input for my indicator is a pointer to an image, i.e. I32, and as the data changes, the pointer value stays constant.

On the other hand, I've tried to use standard "Picture" data type as an input, and the data change event got triggered as the picture changed. But in the Picture data type, a raster image is stored by a pointer too.

So, why does the data change event happen in one case and is never triggered in another?

Thanks in advance

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