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Delphi Programming

TFileStream Class

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UnitEdit

HierarchyEdit

DescriptionEdit

TFileStream class is descendant of THandleStream for manipulating file data. This class introduces methods from THandleStream and some properties.

Technical CommentsEdit

(Known issues / Documentation clarifications / Things to be aware of)

ExamplesEdit

To load a file name c:\mydata.dat for read access into stream and then read 4 bytes from beginning of file into a variable.

 var
   afile_st : TFileStream;
   temp_data: cardinal;
 ...
 afile_st:=TFileStream.Create('c:\mydata.dat',fmOpenRead);
 try
   //make sure file pointer is on beginning of file
   afile_st.Seek(0,soFromBeginning); 
   //read buffer
   afile_st.ReadBuffer(temp_data,4);
 finally
   afile_st.Free;
 end;

See AlsoEdit

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