Custom Progress-Indicator

group a3d_progress_functions

Specifies a custom progress indicator.

This section describes the function and types that enable you to specify a custom progress indicator, such as a status bar.

Type definitions

`A3DCallbackProgressStart`	A callback function the library invokes as it prepares to perform a potentially time-consuming process.
`A3DCallbackProgressSize`	A callback function the library invokes to report an approximate size of the PRC stream being processed.
`A3DCallbackProgressIncrement`	A callback function the library intermittently invokes while processing the PRC stream.
`A3DCallbackProgressEnd`	A callback function the library invokes when it finishes the process.
`A3DCallbackProgressTitle`	A callback function the library invokes to provide a text string relevant to the processing phase.

Sets callbacks for progress bar facility.