DropDownOpened Event
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ComboBox.DropDownOpened Event


Occurs when the drop-down list of the combo box opens.

Namespace:   System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public event EventHandler DropDownOpened

The following example shows how to assign event handlers and handle the DropDownOpened and DropDownClosed events.

.NET Framework
Available since 3.0
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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