|   | 
Returns the number of items in the specified internal clipboard. The internal clipboard is currently only used for graph curve data.
| Number | Type | Compulsory | Default | Description | 
|---|---|---|---|---|
| 1 | string | Yes | 
 | Data type | 
The name of the internal clipboard to be queried. Currently there is only one internal clipboard so this argument must always be 'GraphCurve'.
Return type: real scalar
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