Release 10.1A: OpenEdge Development:
Programming Interfaces

> ## Single-item data transfers

> Each single-item data transfer moves data between the Progress data item and the clipboard. During a paste operation, all data stored in the clipboard is transferred to the data item. During a cut or copy operation, the value of the Progress data item replaces any and all data in the clipboard.

> Clipboard operations are typically invoked by Cut, Copy, and Paste options on an Edit menu. You can implement these operations in a general way using the `FOCUS` system handle (for more information, see the `FOCUS` Handle reference entry in the OpenEdge Development: Progress 4GL Reference ). This allows you to program two types of actions that:

> - Determine what clipboard operations are available (enabled and disabled) at any point.

> - Specify how each clipboard operation is implemented when it is available.

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