What's the difference between invoke() and call()？

[HelloBush]

Hi , thanks for this fabulous project.
I hava a question which may be a little silly .I noticed that there are two ways using dll's function by Jacob,but what's exactly the difference between invoke() and call()？Or which way is suggested in certain situation?

[Zzirconium]

Hello @HelloBush
call(), get() and put() are more readable ways eventual underlying triggers of invoke(), as you can see for example there :

• jacob-project/src/com/jacob/com/Dispatch.java

  Line 453 in f20f5c4

  return invokev(dispatchTarget, name, Dispatch.Method | Dispatch.Get,

• jacob-project/src/com/jacob/com/Dispatch.java

  Line 788 in f20f5c4

  return invokev(dispatchTarget, name, Dispatch.Get, NO_VARIANT_ARGS,

• jacob-project/src/com/jacob/com/Dispatch.java

  Line 580 in f20f5c4

  invoke(dispatchTarget, name, Dispatch.Put, new Object[] { val },

The only case when this makes a difference is when an error occurs during the invoke trigger, indeed, the last argument of invoke is an array of the same size of the Sub parameters array, and provide you error code on which parameter was bad during the call.

let's say it would be better to use it, but these errors are caught anyway and we send the user a generic error, that's the reason why most of the pople ignore them by using call, get and put (it does not mean it is a good idea :D )