Disable ResumeSupport in Powershell

I am trying to write a file to an ftp server where I only have write access, not modify. I am having a problem because I get back

Cannot create remote file '/xxx.filepart'.

The documentation suggests this is because I do not have modify access. I did this WinSCP -> Preferences -> Endurance -> Disable
I checked the winscp.ini file and ResumeSupport = 2 ( I believe this means disabled). I ran "echo $transferOptions.ResumeSupport" and it says that it is in a default state.

I have checked this documentation:
https://winscp.net/eng/docs/ui_pref_resume
https://winscp.net/eng/docs/library_transferoptions#resumesupport

However, I don't see a powershell example, just C#.

I have tried various permutations of $transferOptions.ResumeSupport.State = Off, $transferOptions.ResumeSupport.Off, and whatnot. One of these says that it's read-only.

Thanks in advance for help,
Jay

My response to your duplicate post on Stack Overflow:
https://stackoverflow.com/q/35278404/850848

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Syntax for using enumeration in PowerShell is described in
article Using WinSCP .NET assembly from PowerShell.

Enumeration values are accessed using static field syntax [Namespace.Type]::Member, for example [WinSCP.Protocol]::Sftp.

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You can find a PowerShell example for TransferResumeSupport.State in Converting to .NET assembly section of get and put command documentation: