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error 404 dontUseQT | revDocs | RunRev
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set the dontUseQT to {true | false}

Desktop, Web and Server
Platform Support
MacOS,Mac OS X,Windows
None required
Disables the ability to use QuickTime.

set the dontUseQT to true
if the platform is "Win32" then set the dontUseQT to true

Additional Comments
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Use the dontUseQT property to test operation of a stack using the built-in MCI video on Windows systems, or to use built-in visual effects rather than QuickTime effects.


The dontUseQT is true or false.

By default, the dontUseQT property is set to false.


If you have already used QuickTime during the current session, setting the dontUseQT property to true has no effect, because the code for Revolution to use QuickTime is already loaded into memory and will continue to be used until you quit the application.

The following actions cause QuickTime to be loaded into memory:

* Displaying a player object

* Playing an audio clip or video clip

* Recording sound using the record sound command

* Using the recordFormats function or the answer record command

* Using a visual effect with visual effect, show, hide, or unlock screen

* Using the answer effect command or QTEffects function

* Using the QTVersion function

Tip: It may take Revolution a second or two to load the code needed to use QuickTime, depending on the machine speed. Since this code is only loaded into memory once per session, you can speed up the first occurrence of an action listed above by calling the QTVersion func during otherwise dead time--for example, during startup of your application--to preload QuickTime.

The setting of this property has no effect on Unix systems.

This property is of limited usefulness on Mac OS systems, since they normally use QuickTime for playing movies. Setting the dontUseQT to true on a Mac OS system prevents it from playing movies and sounds.

On Windows, if this property is true then the setting of a player's alwaysBuffer property will have no effect.

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