Inside Macintosh: QuickTime

Application-Defined Functions

This section describes the application-defined functions used with the Movie Toolbox. It is divided into the following topics:

"Progress Functions" describes the functions that your application must assign to monitor the progress of the Movie Toolbox during long operations
"Cover Functions" describes the functions that your application must use to perform custom processing whenever one of your movies covers a screen region or reveals a region that was previously covered
"Error-Notification Functions" discusses the functions that your application must use to perform custom error-processing; you'll find these functions particularly helpful when you're debugging your program
"Movie Callout Functions" describes the application-defined functions that the Movie Toolbox calls repeatedly while a movie preview is playing; you can use your movie callout function to stop the preview
"File Filter Functions" provides details about the function that you can supply to filter the files that are displayed to the user in a dialog box
"Custom Dialog Functions" supplies information about a function that lets you support the template in the custom dialog template that you specified with the CustomGetFilePreview function
"Modal-Dialog Filter Functions" describes the functions that you can provide to support the custom dialog template you specified with your custom dialog function; your modal-dialog filter function gives you greater control over the interface presented to the user
"Standard File Activation Functions" describes the functions that control the highlighting of any items whose shape is known only by your application
"Callback Event Functions" discusses the callback events that you can ask the CallMeWhen function to schedule
"Text Functions" describes a function through which you can specify operations on text and whether you want to display the text

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