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 End-User Documentation

AlertControl.ButtonClick Event

Fires when a custom button within an alert window has been clicked.

Namespace:DevExpress.XtraBars.Alerter
Assembly:DevExpress.XtraBars.v17.2.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type AlertButtonClickEventArgs containing data related to this event.

The following AlertButtonClickEventArgs properties provide information specific to this event.
Property Description
ActivateOwner Gets or sets whether the owner (a form) of the current alert window is activated after executing your AlertClick event handler.
AlertForm Gets the currently processed alert window.
Button Provides access to the settings of the button that has been clicked.
ButtonName Gets the name of the button that has been clicked.
Info Gets an object that contains information displayed in the currently processed alert window.

Expanded Remarks

Use the ButtonClick event to respond to clicking custom regular buttons within alert windows. To respond to clicking custom check buttons, handle the ButtonDownChanged event instead. Custom regular and check buttons are stored in the Buttons collection.

To identify the button that has been clicked, use the event's AlertButtonClickEventArgs.ButtonName parameter.

When displaying an alert window, it's possible to associate custom data with this window and then use this data while handling the ButtonClick or ButtonDownChanged event. To provide data, you can do following:

  • pass the data as the tag parameter of the Show method;
  • if you call the Show method with an AlertInfo parameter, set the custom data to the AlertInfo.Tag property.

To access the custom data while handling the ButtonClick and ButtonDownChanged events, use the event's Info.Tag parameter.

Expanded Example

The following example shows how to add custom buttons to an AlertControl.

It's assumed that an AlertControl control has been added to the form at design time. In the example, two custom buttons are added to the control's Buttons collection. The first button is a regular button, which when clicked, produces the ButtonClick event. The second button has checked and unchecked states. Clicking this button fires the ButtonDownChanged event.

The result is shown below:

Expanded See Also

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