QUERY_DATA_SOURCE_ARGUMENTS

I need to modify the block property QUERY_DATA_SOURCE_ARGUMENTS at runtime. I have seen this mentioned here on the forum, but I have not found any examples. I have Google everything I can think of, and I have read all the documentation I have.
Can someone help?

In post two, I explain my intentions. I was attempting to not explain myself twice since the explination was two items up.
I am using overloaded procedures that are contained within an Oracle package. Changing the parameters, changes which procedure is called.
Based on my research so far, I think it is doable. It is mentioned in the Forms help, but it is not explained very well. In addition, there are references to in on MetaLink. Unfortunately, I haven't figured it out yet.

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    Sorry if i missed to explain something ...
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