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Using Sprite Images in RadToolBarSplitButton

Change text and image of the selected button in the RadToolBarSplitButton using sprite images

To change the text and the image of the selected RadToolBarButton in the RadToolBarSplitButton you will need to use some css styles in a combination with javascript. For this purpose you can use the SpriteCssClass property of the RadToolBarButton.To be able to use sprite images for the RadToolBarSplitButton on the first place, you will need to set the EnableImageSprite property to true. Unfortunately changing the image of the selected RadToolBarButton does not come out of the box when using sprites. Therefore, youwill need to apply some javascript code that will be switching the css classes applied to the selected button when changingthe different RadToolBarButtons.``

note

Note that the SpriteCssClass property is available after the 2012.3.1205 version.

.red .rtbIcon {
    background-position: -5px 0;
    background-image: url('img/Untitled.png');
    background-repeat: no-repeat;
}

.blue .rtbIcon {
    background-position: -5px -25px;
    background-image: url('img/Untitled.png');
    background-repeat: no-repeat;
}

.green .rtbIcon {
    background-position: -5px -50px;
    background-image: url('img/Untitled.png');
    background-repeat: no-repeat;
}
<telerik:RadToolBar RenderMode="Lightweight" ID="RadToolBar1" runat="server" OnClientButtonClicking="onClientButtonClicking" EnableRoundedCorners="true" EnableShadows="true" Skin="Metro">
    <Items>
        <telerik:RadToolBarSplitButton EnableImageSprite="true" CssClass="red">
            <Buttons>
                <telerik:RadToolBarButton Text="Red"
                    CheckOnClick="true" Group="Color" ToolTip="Set Color Red" EnableImageSprite="true" SpriteCssClass="red">
                </telerik:RadToolBarButton>
                <telerik:RadToolBarButton Text="Blue"
                    CheckOnClick="true" Group="Color" ToolTip="Set Color Blue" EnableImageSprite="true" SpriteCssClass="blue">
                </telerik:RadToolBarButton>
                <telerik:RadToolBarButton Text="Green"
                    CheckOnClick="true" Group="Color" ToolTip="Set Color Green" EnableImageSprite="true" SpriteCssClass="green">
                </telerik:RadToolBarButton>
            </Buttons>
        </telerik:RadToolBarSplitButton>
    </Items>
</telerik:RadToolBar>
function onClientButtonClicking(sender, args) {
    var button = args.get_item();
    var parent = button.get_parent();
    setSpriteToParent(parent, button.get_spriteCssClass());

}

function setSpriteToParent(parent, className) {
    if (className == "blue" || className == "red" || className == "green") {
        parent.set_cssClass(className);
    }
}