Get the number of tags affected by the specified reference tag.
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AT_ERRCOUNT ACCUAPI IG_ISIS_tag_get_affect_count( HISISDRV hDriver, AT_MODE nTag, LPWORD lpwCount ); |
Name | Type | Description |
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hDriver | HISISDRV | The handle to the driver. |
nTag | AT_MODE | Specifies the reference tag. |
lpwCount | LPWORD | Points to the number of tags affected by nTag. |
Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.
This function does not process image pixels.
The IG_ISIS_tag_get_affect_count function retrieves a count of the number of tags whose value or range of valid values is affected by the value of the specified reference tag.
Use IG_ISIS_tag_get_affect_count to determine how many tags are affected by nTag. This is important when you are setting several tags in sequence. If you set a tag that affects other tags you have already set, the values of those affected tags could change unexpectedly.