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The OnClientResizeStart event of the RadWindow fires when the user is about to start resizing the popup. You can cancel the event to prevent the user from resizing the control by calling the set_canel(true) method the event arguments object exposes. You can also entirely disable resizing through the Behaviors property of the RadWindow.

The event handler receives the following arguments:

  1. The RadWindow object that fired the event.

  2. An event arguments object that exposes the following methods:

Name Parameters Return Type Description
get_cancel boolean Gets a value indicating whether the event is going to be cancelled.
set_cancel boolean Sets a value indicating whether the event is going to be cancelled.Pass true to cancel the event. The method takes the following arguments: boolean—a value that indicates whether the event is to be cancelled.

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