Controlling digital zoom in ImageViewerWpfControl using mousewheel

MIP
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1

Hi, I am trying to add digital zoom support to ImageViewerWpfControl (component integration). Setting the EnableDigitalZoom flag was easy and now it is possible to draw a rectangle to zoom that rectangle. However, zooming out from that rectangle is impossible. I am not able to get the mouse wheel working.

I started to work on a work-around but found that there is no call on ImageViewerWpfControl to get the current zoom-parameters. I can only set the zoom-parameters with PtzCenter. Can you please point me in the right direction?

2

In the PlaybackWpfUser sample this works out of the box. In the sample I have an idea these two lines does the trick:

_imageViewerControl.EnableMouseControlledPtz = true;

_imageViewerControl.EnableMousePtzEmbeddedHandler = true;