Copy data from another stream.
Source position: objects.pp line 344
procedure TStream.CopyFrom( |
var S: TStream; |
Count: LongInt |
); |
CopyFrom reads Count bytes from stream S and stores them in the current stream. It uses the Read method to read the data, and the Write method to write in the current stream.
None.
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Read data from stream to buffer. |
|
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Write a number of bytes to the stream. |
Program ex19; { Program to demonstrate the TStream.CopyFrom function } Uses objects; Var P : PString; L : String; S1,S2 : PStream; begin L:='Constant string line'; Writeln ('Writing to stream 1 : "',L,'"'); S1:=New(PMemoryStream,Init(100,10)); S2:=New(PMemoryStream,Init(100,10)); S1^.WriteStr(@L); S1^.Seek(0); Writeln ('Copying contents of stream 1 to stream 2'); S2^.Copyfrom(S1^,S1^.GetSize); S2^.Seek(0); P:=S2^.ReadStr; L:=P^; DisposeStr(P); Dispose (S1,Done); Dispose (S2,Done); Writeln ('Read from stream 2 : "',L,'"'); end.