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Expander.OnExpanded Method

Raises the Expanded event when the IsExpanded property changes from false to true.

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

protected virtual void OnExpanded()

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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