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Leadtools.Windows.Annotations Namespace > Classes > AnnAutomation > Methods > OnBeforeObjectChanged Method
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OnBeforeObjectChanged Method
Summary
Raises the BeforeObjectChanged event.
Syntax
protected virtual void OnBeforeObjectChanged(Leadtools.Windows.Annotations.AnnBeforeObjectChangedEventArgs e)
Protected Overridable Sub OnBeforeObjectChanged( _ByVal e As Leadtools.Windows.Annotations.AnnBeforeObjectChangedEventArgs _)
protected:virtual void OnBeforeObjectChanged(Leadtools.Windows.Annotations.AnnBeforeObjectChangedEventArgs^ e)
Parameters
e
An AnnBeforeObjectChangedEventArgs that contains the event data.
Remarks
Raising an event invokes the event handler through a delegate. The OnBeforeObjectChanged 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 OnBeforeObjectChanged in a derived class, be sure to call the base class's OnBeforeObjectChanged method so that registered delegates receive the event.
Example
For C#/VB examples, refer to BeforeObjectChanged.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
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