Removes all items from the collection.
Source position: classesh.inc line 844
| public procedure TCollection.Clear; | 
Clear will clear the collection, i.e. each item in the collection is destroyed and removed from memory. After a call to Clear, Count is zero.
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 | Creates and adds a new item to the collection. | |
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 | Destroys this collection item. | |
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 | Destroys the collection and frees all the objects it manages. |