ILocation.Calculate()

Description:

The Calculate method performs mathematical calculations +based on a source location and a target location.

This is a synchronous method.

Syntax:

result = so.ILocation.Calculate(criteria);

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Arguments:

criteria:
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This is an object that specifies the mathematical operation to perform +and the input values to use in the operation. For more information about the +object properties and how to define them, see section Calculation criteria.
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Return value:

The Calculate method returns an object that contains +the calculation results, an error code, and an error message.

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**Table:** Return value +properties for Calculate
+ Property +	+ Description +	+ Value +
+ `result.ReturnValue` +	+ This contains the results for the requested mathematical operation. +The type of the value depends on the operation. +	+ See Calculation results. +
+ `result.ErrorCode` +	+ This is a number that specifies a predefined error code. +	+ See Service API error codes. +
+ `result.ErrorMessage` +	+ This is a text string that describes the error. +	+ See Location Service API error messages. +

Remarks:

The WGS +84 datum is used to reference coordinates.

Example code:

For the complete source of a sample widget +that demonstrates how to use this Service API, see the +full example.

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