DragDrop registration did not succeed error

edited June 2010 in FastReport .NET
Despite reading the 29 pages of FRNetProgrammerManual a few times I am struggling to get my first report the way I want to, so I am must be missing something. My latest attempt produces the error identified in the title.
Using VS 2008 (Frameqork 3.5) on XP (SP3) and trying to display a report that was designed with the Designer and saved as .frx.
In ..._StartReport I get a new Report instance, set its StoreInResources property false, Load the .frx file, SetParameterValue(s), then RegisterData. I can confirm that DataSet I register with the Report object instance returns the right data from the server, also can confirm that the Report Parameters are set to the correct values.
The report.Prepare() returns true, then bombs out on report.ShowPrepared(). Clicking the "Continue" from the dialog, produces the report in a Preview window, but that is not desirable. I attach some code snippets for starter, and can provide more details on request.
Furthermore, though it is not my primary concern now, I am not able to control the padding in the "Report Viewer", get rid off a scrollbar, or have a handle on "growing" and "shrinking" fields in the report, but more about that another time.
I am getting very frustrated with FastReport, because I have not been able to replicate a single report, I am trying to migrate from CR 2008, and it seams that there are lots of frustrated users out there, and all they get is "to read the help", but not a single line of PRODUCTIVE code snippet to help out.

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