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- Program ex24;
-
- { Program to demonstrate the TCollection.IndexOf method }
-
- Uses Objects,MyObject; { For TMyObject definition and registration }
-
- Var C : PCollection;
- M,Keep : PMyObject;
- I : Longint;
-
- begin
- Randomize;
- C:=New(PCollection,Init(100,10));
- Keep:=Nil;
- For I:=1 to 100 do
- begin
- M:=New(PMyObject,Init);
- M^.SetField(I-1);
- If Random<0.1 then
- Keep:=M;
- C^.Insert(M);
- end;
- If Keep=Nil then
- begin
- Writeln ('Please run again. No object selected');
- Halt(1);
- end;
- Writeln ('Selected object has field : ',Keep^.GetField);
- Write ('Selected object has index : ',C^.IndexOf(Keep));
- Writeln (' should match it''s field.');
- C^.FreeAll;
- Dispose(C,Done);
- end.