RAD Studio VCL Reference
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TMemoryStream.Clear Method

Frees the memory buffer, discarding all data associated with the memory stream.

Pascal
procedure Clear;
C++
__fastcall Clear();

Use Clear to empty the memory buffer for the memory stream and free all associated memory. In addition to freeing the memory associated with the memory buffer, Clear 

Sets the Memory property to nil (Delphi) or NULL (C++). 

Sets the Position property to 0. 

Sets the Size property to 0. 

 

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