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#1 Posted : Friday, March 23, 2007 10:07:44 AM(UTC)

GregR  
GregR

Groups: Registered, Tech Support, Administrators
Posts: 769


This VB.NET 2005 sample project shows two ways to track the changes made to your Annotations in LEADTOOLS 15.
 
1. Using the ItemAdded and ItemRemoved events of the RasterCollection class
 
2. Using the AfterObjectChanged Event of the AnnAutomation class.  This reports much more specific information about what changed.  Take a look at the ChangeType Property of the AnnAfterObjectChangedEventArgs class in the .NET help file for more detailed information.  Since this event is a member of the AnnAutomation class, they will NOT fire if you add, edit, or remove annotations programmatically.
File Attachment(s):
NET - v15 - Annotations AfterObjectChanged.zip (44kb) downloaded 31 time(s).
 

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#2 Posted : Monday, June 25, 2012 12:55:32 AM(UTC)

Ibrahim  
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I've updated this project to use the LEADTOOLS v17.5 in VB.NET using Visual Studio 2008. This project uses the RasterCollection and AnnAutomation class to track the changes on an annotation object.
File Attachment(s):
VBNET_v175_AnnotationsAfterObjectChanged.zip (18kb) downloaded 30 time(s).
 
#3 Posted : Monday, June 25, 2012 12:58:27 AM(UTC)

Ibrahim  
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This is the same project but in C#.
File Attachment(s):
CS_v175_AnnotationsAfterObjectChanged.zip (17kb) downloaded 33 time(s).
 
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