This is the main reason I miss SET FEEDBACK ON in RBWin. If this functionality was operative, I believe it would alleviate this problem. I like my users to see something happening to tell them the app is not stalled.
Dennis McGrath --- Lawrence Lustig <[EMAIL PROTECTED]> wrote: > > The Windows Task manager will display that a program is not > responding, even > > though it is still running perfectly fine. I see this on other > programs as > > well. Perhaps a more informed expert on windows can explain, but I > believe it > > has to do with the program not accepting input interupts from > windows while > > processing. > > While R:Base (or any other disk or processor intensive program) is > off "doing > its thing" Windows has no idea of what it's doing or whether it's > still > "alive". Any "messages" that Windows sends to the application -- in > particular > the "part of your window has been obscured or revealed, so please > paint > yourself" message -- are ignored by the application. > > In such cases, it's possible for the application to periodically set > aside the > work it's doing to process the messages it has received from Windows. > If it > does this frequently enough it will appear to be "normal". If it > does it only > occasionally you get a "white window" that suddenly repaints, or the > jerky > window-drag effect you get with some programs. > > Of course, taking the time to process these messages means that the > main work > that the application was doing is going to take longer. For that > reason, you > don't want to do this too often. > > If I had to guess, I would say that probably what's happening is that > work that > happens entirely in the R:Base engine causes a suspension of all > Windows > message processing until control returns to the front-end. If it's > really a > problem for you, consider breaking up the operation into smaller > chunks that > return control to your program in between (for instance, appending > 100 or 1000 > rows at a time, then updating a status message). > -- > Larry > > --- RBASE-L ================================================ TO POST A MESSAGE TO ALL MEMBERS: Send a plain text email to [EMAIL PROTECTED] (Don't use any of these words as your Subject: INTRO, SUBSCRIBE, UNSUBSCRIBE, SEARCH, REMOVE, SUSPEND, RESUME, DIGEST, RESEND, HELP) ================================================ TO SEE MESSAGE POSTING GUIDELINES: Send a plain text email to [EMAIL PROTECTED] In the message SUBJECT, put just one word: INTRO ================================================ TO UNSUBSCRIBE: Send a plain text email to [EMAIL PROTECTED] In the message SUBJECT, put just one word: UNSUBSCRIBE ================================================ TO SEARCH ARCHIVES: Send a plain text email to [EMAIL PROTECTED] In the message SUBJECT, put just one word: SEARCH-n (where n is the number of days). In the message body, place any text to search for. ================================================
