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CalloutTargetManager

Class

A class responsible for following the bounds changes of the target control or element, or when their owner form is moved when the callout is shown.

Definition

Assembly:Telerik.WinControls.UI.dll

Syntax:

public class CalloutTargetManager : IDisposable

Inheritance: objectCalloutTargetManager

Implements: IDisposable

Initializes a new instance pf the CalloutTargetManager class.

public CalloutTargetManager(RadCalloutForm calloutForm)

Parameters:calloutFormRadCalloutForm

The owner callout form.

Adjusts the location of the owner RadCalloutForm when the target control/element changes its bounds or when the target form location is changed.

protected virtual void AdjustLocation()

Attaches to a Control and follows its bounds for changes and the parent form for location changes.

public bool AttachPlacementTarget(Control control)

Parameters:controlControl

The control to attach to.

Returns:

A value indicating whether the attach is successful.

Attaches to a RadElement and follows its bounds for changes, its owner control for bounds changes and the parent form for location changes.

public bool AttachPlacementTarget(RadElement element)

Parameters:elementRadElement

The element to attach to.

Returns:

A value indicating whether the attach is successful.

Detaches from all events and releases all resources.

public void Dispose()

Gets the rectangle of target control/element in screen coordinates.

public Rectangle GetTargetRectangle()

Returns:

The rectangle of target control/element in screen coordinates.

Detaches all events from target element, target control and their owner - target form and releases their references.

public void ReleasePlacementTargets()