ImageGear Professional DLL for Windows
IG_REC_approx_regex_progress_cb_set
| ImageGear Professional v18.4 > API Reference Guide > Recognition Component API Reference > Recognition Component Functions Reference > Approx Regex Functions > IG_REC_approx_regex_progress_cb_set |
Assigns the approximate regex progress callback.
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AT_ERRCOUNT ACCUAPI IG_REC_approx_regex_progress_cb_set( const HIG_REC_APPROX_REGEX higRecApproxRegex, LPFNIG_REC_APPROX_REGEX_PROGRESS_CB const lpfnCallback, LPVOID const lpUserData ); |
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| Name | Type | Description |
| higRecApproxRegex | const HIG_REC_APPROX_REGEX | The handle to an approximate regex instance. |
| lpfnCallback | LPFNIG_REC_APPROX_REGEX_PROGRESS_CB | The progress callback function to invoke during searches. |
| lpUserData | LPVOID | Anonymous data passed to the progress callback function. |
This function does not process image pixels.
Use this function to install a callback to receive progress notifications prior to completion. The callback presents an opportunity to stop the current operation.
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AT_ERRCOUNT errCount = 0 ;
HIG_REC_APPROX_REGEX higRecApproxRegex = 0 ;
LPVOID user_data = 0 ;
IG_REC_approx_regex_create( &higRecApproxRegex ) ;
errCount = IG_REC_approx_regex_progress_cb_set
( higRecApproxRegex,
&on_approx_regex_progress,
&user_data
) ;
IG_REC_approx_regex_delete( higRecApproxRegex ) ;
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Use this function to install a callback to receive progress notifications prior to completion. The callback presents an opportunity to stop the current operation.