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C1RangeSlider includes the ability to orient the control either horizontally or vertically using the Orientation property. By default the control initially appears with a horizontal orientation when added to the application, as in the following image:

You can easily change the orientation from the Properties window, in XAML, and in code using the Orientation property:
To set the Orientation property to Vertical add Orientation="Vertical" to the <c1:C1RangeSlider> tag so that it appears similar to the following:
<c1:C1RangeSlider Name="C1RangeSlider1" Width="26" Orientation="Vertical" />
To set the Orientation property to Vertical, add the following code to your project:
Me.C1RangeSlider1.Orientation = Orientation.Vertical
this.c1RangeSlider1.Orientation = Orientation.Vertical;
To set the Orientation property to Vertical at Design time, complete the following steps:
This will change the Orientation property so that the control appears vertically.
Run the application and observe:
The C1RangeSlider control will be shown vertically:
