how to export campbell diagram or critical speed by mechanical script

i wantt to kown how to export campbell diagram or critical speed by mechanical script,i want to get the picture below but i am failed

The exported images through "ExtAPI. Graphics. ExportImage" can only be model graphs, not velocity-frequency graphs. When using 'System. Drawing. Graphics. CopyFromScreen()', the UI interface must be on the worksheet and cannot be done in the background or remotely. The result of the Campbell diagram can be exported in the mechanical GUI interface, but there is no Export method option in the script.
Or I just need the critical speed,but the campbell diagram didn't have "ExportTextFile" method(my ansys is 2024R2)

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James Derrick

Hello, @Structures-Scripting-Team might be able to help but this sounds like a tricky problem. If you've solved it already please let us know your solution!

@Mr.G The ExportToText file shows up in my 242 version. Even if you don't see it, try it and see if you can command line export, because the exported file will have the chart data including the critical speed.
I also tried to screenshot the window but there is a bug apparently and the image itself wouldn't get saved. But try that also (might have more luck). Just search here in the forum for screenshot.