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$CurrentLink

FilledSmallSquare$CurrentLink is the LinkObject representing the MathLink connection for an external program currently being installed or being called.

FilledSmallSquare$CurrentLink is temporarily set by Install and by ExternalCall.

FilledSmallSquare You can use $CurrentLink to distinguish between several instances of an external program running at the same time.

FilledSmallSquare$CurrentLink can be included in :Pattern: and :Arguments: MathLink template specifications, and will be evaluated at the time when Install is called.

FilledSmallSquare See The Mathematica Book: Section 2.12.9.

FilledSmallSquare See also: $ParentLink, Links, $Input.

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