edit property values

[Jo-Jo]

I have two questions. The first seems like it should be easy, but I can't figure it out.

How do I edit root and channel property names in a TDMS file?

Second, I understand that DIAdem doesn't like property names with spaces, some special characters, or leading numbers. If I have TDMS that has root and channel properties with these things in a property name, it seems like I can't access the property by name, and have to use the index number instead. I tried replacing the special characters with underscores, and a few other things, but nothing seems to work. Is it not possible to access these by name?

~Jo-Jo

[AndreasK]

1. I assume there is no way to rename a property. So the way is copy the property value to a property with the new name and delete the old property.
2. Do these properties show up in DIAdem data portal? If yes they should be accessible with the given name. Just drag and drop one of the properties from portal to DIAdem script. '_' should be the correct replacement.
   Which API do you use in DIAdem?

[Brad_Turpin]

Hi Jo-Jo,

If you save the properties with names that include only letters, numbers and the underscore character ("_"), and which start with either a letter or the underscore character, this will work.

Brad Turpin

DIAdem Product Support Engineer

National Instruments