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New Post: Calling VBScript function by dispatchId

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Can you more explain why for .NET application calling by name to be negligible?

Invoking a VBScript function from .NET is relatively expensive, as the ClearScript and COM interop layers incur a lot of overhead. Adding a string lookup shouldn't affect it significantly. This is all speculation, of course, until we compare some actual performance measurements. We'll take a closer look at this.

About thread-safe I know, that a reason why in our legacy code there is a logic that check thread id and clone scripter in case of calling from a different thread. Is there some work around in ClearScript?

No, ClearScript throws an exception if you attempt to use a VBScriptEngine instance from the wrong thread, but nothing stops you from implementing an engine cloning scheme like the one in your legacy application.

Good luck!

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