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Program ex27;
{ Program to demonstrate the TCollection.Pack method }
Uses Objects,MyObject; { For TMyObject definition and registration }
Var C : PCollection;
M : PMyObject;
I,cnt : Longint;
begin
Randomize;
C:=New(PCollection,Init(100,10));
For I:=1 to 100 do
begin
M:=New(PMyObject,Init);
M^.SetField(I-1);
C^.Insert(M);
end;
cnt:=0;
For I:=0 to 99 do
begin
If Random<0.1 then
begin
Inc(Cnt);
C^.FreeItem(C^.At(I));
C^.AtPut(I,Nil);
end;
end;
Writeln ('Set ',cnt,' pointers to Nil. Count is ',C^.Count);
C^.Pack;
Writeln ('Packed collection. Count is ',C^.Count);
C^.SetLimit(C^.Count);
Writeln ('Set limit to ',C^.Count);
Dispose(C,Done);
end.
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