How to make a progress bar for crystal reports viewer

[furk]

I have created an application which has a crystal report viewer embedded in it. But the *.rpt files that are going to be opened in the viewer are too big, and it waits for minutes while opening.
How can I put a progress bar or something to indicate that the program is still working while the file loads?

[biit]

i suggest just change the curser to hour glass:
before the code that is loading the rpt
this.Cursor = Cursors.WaitCursor;

so users know that it is loading
and when it is done loading change the cursor back: this.Cursor = Cursors.Default;