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virtual |
Adds a grid item from archive at the specified location.
This function is called when it's required to add a grid item at the specified location during drag-and-drop operation.
| ar | A reference to archive. |
| pRow | A pointer to row. |
| nColumn | A zero-based index of column to insert a new item at. |
| bTestMode | If TRUE, the grid control will test whether an item can be inserted at the specified location. |