ImageGear for C and C++ on Windows v19.0
IG_ISIS_tag_set_long
| API Reference Guide > ISIS Component API Reference > ISIS Component Functions Reference > Tag Functions > IG_ISIS_tag_set_long |
Set the value of a type long tag.
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AT_ERRCOUNT ACCUAPI IG_ISIS_tag_set_long(
HISISDRV hDriver,
AT_MODE nTag,
WORD wIndex,
LONG lValue
);
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| Name | Type | Description |
|---|---|---|
| hDriver | HISISDRV | The handle to the driver. |
| nTag | AT_MODE | Specifies the type long tag to set. |
| wIndex | WORD | Specifies which element to set. wIndex must be greater than or equal to zero and at most one less than the value returned by IG_ISIS_tag_get_length. |
| lValue | LONG | Specifies the value to which to set nTag's specified element. |
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_set_long function sets the value of the specified integer tag's specified element to the given value.
Use IG_ISIS_tag_set_long to set the specified element of nTag to the value given in lValue. This function is used to set byte, short, and long values. IG_ISIS_tag_set_long will not automatically increase the number of elements in a tag. You must use IG_ISIS_tag_set_length before calling IG_ISIS_tag_set_long to do this.
See example for IG_ISIS_tag_set_length.