Right-to-Left Support
The RadToggleButton fully supports right-to-left (RTL) language locales (Figure 1). In order to turn on the RTL support you should set dir=rtl to the html or body element or at least to its parent element (Figure 1). You can also use the direction:rtl CSS property.
<div style="direction: rtl;">
<telerik:RadToggleButton ID="RadToggleButton1" runat="server">
<ToggleStates>
<telerik:ButtonToggleState Text="موافق">
<Icon CssClass="rbOk" />
</telerik:ButtonToggleState>
<telerik:ButtonToggleState Text="إلغاء">
<Icon CssClass="rbCancel" />
</telerik:ButtonToggleState>
</ToggleStates>
</telerik:RadToggleButton>
</div>