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NewCMConcatCallBackUPP

Creates a new universal procedure pointer (UPP) to a progress-monitoring callback.

Declaration

func NewCMConcatCallBackUPP(_ userRoutine: CMConcatCallBackProcPtr) -> CMConcatCallBackUPP

Parameters

  • userRoutine:

    A pointer to your progress-monitoring callback function.

Return Value

The universal procedure pointer.

Overview

The callback protects against the appearance of a stalled machine during lengthy color world processing. If a CMM takes more than several seconds to process the information and create a color world, it will call the callback, if one is provided, and pass it the refCon provided. Passed to the functions NCWNewLinkProfile or NCWConcatColorWorld function .

See Also

Working With Universal Procedure Pointers