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With the help of ContainerSelectors property, you can restricting the hint movement within the boundaries of an element.


    #container {
        width: 200px;
        height: 200px;
        border: 1px dashed red;

    #ContainerDraggable {
        width: 50px;
        height: 50px;
        background-color: orange;
        border: 2px solid green;

<telerik:RadDraggable runat="server" ContainerSelectors="#container" TargetSelectors="#ContainerDraggable"></telerik:RadDraggable>

<div id="container">
    <div id="ContainerDraggable"></div>
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