Syntax
| ASP.NET Ajax Javascript (Specification) | |
|---|---|
function setTagRational( tagID : number(Integer), numerator : number(Integer), denominator : number(Integer), index : number(Integer), callback : function ) : ImGearIsisOperationStatus; | |
| ASP.NET Ajax Javascript (Usage) | |
|---|---|
var resultVar = instanceOfImGearIsisScanner.setTagRational(number(Integer),number(Integer),number(Integer),number(Integer),function); | |
Parameters
- tagID
- The ID of the tag.
- numerator
- The value to set the tag numerator to.
- denominator
- The value to set the tag denominator to.
- index
- The index to use, for tags that contain multiple values. If the tag contains only a single value, this must be 0.
- callback
- Callback which is called when the tag is set.
Return Value
ImGearIsisOperationStatus value.Example
The JavaScript code below demonstrates how to set the scanner ISIS X resolution tag to a rational value of 300/1. You can use the getTag method to get the tag type and list or range of supported values for a tag.
| JavaScript |  Copy Code |
|---|---|
function setTagCallback(status) { if (status.get_status() !== ImageGear.Web.Isis.ImGearIsisStatus.Completed) { alert(status.get_statusMessage()); } } scannerSession.get_scanner().setTagRational(ImageGear.Web.Isis.ImGearIsisTag.XResolution, 300, 1, 0, setTagCallback); | |
Remarks
This is an asynchronous method.
To set the values of multiple tags, it is more efficient to use setAllTags.
The scanner must be set before calling this method.
For more information on ISIS tags, refer to the ISIS Tags topic.
