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[Performance issue] Resizing an alert sheet => blinks
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[Performance issue] Resizing an alert sheet => blinks


  • Subject: [Performance issue] Resizing an alert sheet => blinks
  • From: Iceberg-Dev <email@hidden>
  • Date: Tue, 6 Oct 2009 00:12:59 +0200

Is it the intended behavior that resizing an Alert Sheet in Mac OS X 10.5.8 on a MacBook Pro produces a lot of blinking?


I have a custom alert sheet that can be resized and when I resize it on a MacBook Pro (either 9400 or 9600 GPU), the resize operation produces flicking.


I tried with some Apple's applications and with the standard save sheet and it's also blinking (less though).

I removed almost every widget in the sheet, disabled the default button, it's still blinking.

This does not happen with standard window and I am not experiencing this phenomenon on a PowerMac G5 running Mac OS X 10.4.11.


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