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I have create service by using FileSystemWatcher for watching files in the folder. It is working fine when there is any new file arriving in the Folder and it is detecting and doing rest of job as expected.

If there are files already present in Folder, How to Tell FileSystemWatcher to Use these Files?

If anyone has any idea, please share.
Posted 18-Sep-12 5:19am
Updated 18-Sep-12 5:37am
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Solution 3

Add a handler for the Changed event on the watcher. If you've figured it out for Created I'm guessing you can figure out how to attach it.
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Solution 1

Use WMI and poll the reqd folder :

string WMIQuery = "SELECT * FROM __InstanceCreationEvent WITHIN 10 " 
                                    + " WHERE TargetInstance ISA \"CIM_DirectoryContainsFile\" and "
                                    + " TargetInstance.GroupComponent= "
                                    + " \"Win32_Directory.Name='C:\\Test\\MyFolderToMonitor'\""; 

It will detect rename, create, modify file events..

You may also refer to inspire:
Directory Monitor Service controls SSIS Package Execution[^]

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