Unfortunately there is no API function for this at least in prior versions of SolidWorks. Some time ago I have written a workaround for this (should be posted somewhere on the forum).
In any case please find the macro attached which sets the display model for the components.
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Application Engineer at Intercad
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ChangeCompDispState.swp.zip 8.9 KB
Brilliant solution! It works perfect for my application. It would would be great if future APIs for this would be so clean.
Thank you so much,
Have a Happy New Year!