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Custom Scroll Buttons

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UIdev
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UIdev asked on 09 Jun 2009, 12:11 AM
Hi,

I've made a simple program with a RadCarousel in it.  The thing is, I would like to use my own Buttons (outside the carousel) to scroll through the RadCarousel instead of the carousel's default horizontal/vertical scrollbars.  Is there any way to tell the RadCarousel to scroll one way or the other from inside a Button's MouseLeftButtonDown event handler?  I've been trying to achieve this through RaiseSelectionChangedEvent (but can't seem to access the selected item's index) or ScrollViewer (but can't/don't know how to access the carousel's internal ScrollViewer).  I haven't worked a lot with scrolling in WPF before, so I may be missing something obvious.  Any light you could shed on this problem would be very much appreciated!

Thanks,

UIdev

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Milan
Telerik team
answered on 09 Jun 2009, 07:23 AM
Hi UIdev,

The RadCarouselPanel has an API that allows you to control the movement of the carousel control. Here is how you can use the API:

this.carousel.FindCarouselPanel().LineDown(); // moves to the next item  
this.carousel.FindCarouselPanel().LineUp(); // moves to the previous item  
this.carousel.FindCarouselPanel().PageUp(); // moves to the previous page  
this.carousel.FindCarouselPanel().PageDown(); // moves to the next page  
this.carousel.FindCarouselPanel().MoveBy(10); // moves by a specified amount 

Here you can find more information about restyling the navigation controls - http://www.telerik.com/community/forums/wpf/carousel/controltemplate-radcarousel-scrollviewer.aspx
I am also sending you a sample application that demonstrates several ways to modify and restyle the navigation controls.
Hope this helps.

Regards,
Milan
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UIdev
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answered on 10 Jun 2009, 02:13 AM
Milan,

LineUp and LineDown were just the functions I was looking for.  Thanks so much for the help and the great solution!

-UIdev
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