draggable.dragHandle String default: ".k-window-titlebar"

Restricts the dragging of the window through the specified element which will be part of the window content. Accepts either a selector or an element.

Example

<div id="dialog">
  <div style="width: 20px; height: 20px; border: 1px solid red;" id="handle"></div>
</div>
<script>
$("#dialog").kendoWindow({
  draggable: {
    dragHandle: "#handle"
  }
});
</script>