如题:
Procedure Tform1.FileCopy(Const sourcefilename, targetfilename: String);
var
S, T: TFileStream;
begin
S := TFileStream.Create(sourcefilename, fmOpenRead);
try
T := TFileStream.Create(targetfilename, fmOpenWrite or fmCreate);
try
T.CopyFrom(S, S.Size) ;
finally
T.Free;
end;
finally
S.Free;
end;
end;
Procedure Tform1.FileCopy(Const sourcefilename, targetfilename: String);
var
S, T: TFileStream;
begin
S := TFileStream.Create(sourcefilename, fmOpenRead);
try
T := TFileStream.Create(targetfilename, fmOpenWrite or fmCreate);
try
T.CopyFrom(S, S.Size) ;
finally
T.Free;
end;
finally
S.Free;
end;
end;
即用一个While循环,一次进度条就进一度。
var
S, T: TFileStream;
i: integer;
begin
S := TFileStream.Create(sourcefilename, fmOpenRead);
try
T := TFileStream.Create(targetfilename, fmOpenWrite or fmCreate);
try
for i := 0 to S.Size do
begin
T.CopyFrom(S, S.Size) ;
S.seek(i,0);
end;
finally
T.Free;
end;
finally
S.Free;
end;
end;加入了 S.seek(i,0); 后,系统提示 Stream read error ,如何解决呀???
begin
T.CopyFrom(S, 1) ;
S.seek(i,0);
end;
还是自己给解决了。