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Leadtools.WinForms Namespace > Classes > RasterThumbnailBrowser > Methods > OnSelectedIndexChanged Method
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OnSelectedIndexChanged Method (RasterThumbnailBrowser)
Summary
Raises the RasterImageList.SelectedIndexChanged event.
Syntax
protected virtual void OnSelectedIndexChanged(EventArgs e)
Protected Overridable Sub OnSelectedIndexChanged( _ByVal e As EventArgs _)
protected:virtual void OnSelectedIndexChanged(EventArgs^ e)
Parameters
e
An System.EventArgs that contains the event data.
Remarks
Raising an event invokes the event handler through a delegate.
The OnSelectedIndexChanged 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 OnSelectedIndexChanged in a derived class, be sure to call the base class's OnSelectedIndexChanged method so that registered delegates receive the event.
Example
This example overrides the virtual events of the RasterImageList class.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.WinForms Assembly
