At 1:08 PM -0700 3/31/08, [EMAIL PROTECTED] wrote:
Date: Mon, 31 Mar 2008 12:20:41 -0700
From: Mike <[EMAIL PROTECTED]>
Subject: Re: Main Thread UI and Detached Thread
To: Apple Cocoa List <cocoa-dev@lists.apple.com>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I have two methods in the main thread that I call from the worker using
performSelector, etc. The method for updating the progress bar for
example looks like this:
- (void)setProgressBarValue:(double)value
{
if( progressBar )
{
[ progressBar setDoubleValue:value ];
[ progressBar setNeedsDisplay:YES ];
[ progressBar display ];
}
}
are you calling:
performSelectorOnMainThread:withObject:waitUntilDone:
(or one of its variants) passing in a selector for setProgressBarValue: ?
could it possibly be that setProgressBarValue: takes a double
argument, yet performSelector... expects an id for the withObject
parameter? thus, you have potential garbage being passed to your
setProgressBarValue method.
ken
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