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Leadtools.Windows.Annotations Namespace > Classes > AnnObject > Methods > OnHeaderFontWeightChanged Method
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OnHeaderFontWeightChanged Method
Summary
Occurs when the value HeaderFontWeight property changes.
Syntax
protected virtual void OnHeaderFontWeightChanged(RoutedPropertyChangedEventArgs<AnnFontWeight> e)
Protected Overridable Sub OnHeaderFontWeightChanged( _ByVal e As RoutedPropertyChangedEventArgs(Of AnnFontWeight) _)
protected:virtual void OnHeaderFontWeightChanged(RoutedPropertyChangedEventArgs<AnnFontWeight>^ e)
Parameters
e
A RoutedPropertyChangedEventArgs that contains the event data.
Remarks
Raising an event invokes the event handler through a delegate.
The OnHeaderFontWeightChanged method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.
Notes to Inheritors: When overriding OnHeaderFontWeightChanged in a derived class, be sure to call the base class's OnHeaderFontWeightChanged method so that registered delegates receive the event.
Requirements
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