Most Efficient Way to Determine if a Folder Exists?

Using the .NET Assembly, I'm currently using ListDirectory() to determine if a Folder exists. See code below:

sSess.Open(sOpts)
Dim dir As RemoteDirectoryInfo = sSess.ListDirectory(ftpSendBillsPath)
sSess.Close()

I'm thinking that's going to slow down as more and more files get added to that Folder.

Is there a more efficient way to validate the existence of a Folder before attempting to send files to it?

Thanks in advance for your help.

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It's by using:

session.FileExists(remotePath)

Sorry if I wasted anyone's time.

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