> I apologize to all for my inconvenience.

That's quite alright!

> About "Prepare to IB_Query. Where is it?"

Preparing is actually quite a complex process in IBO. There are lots of
lines of code and it is spread through lots of units.

The hub of action is in IBA_Statement.IMP file's SysExecPrepare method.

I suggest that you trace through the code when preparing a statement to see
what all happens.

Take care,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com