TStringCollection.Compare

Compare two strings in the collection.

Declaration

Source position: objects.pp line 450

Description

TStringCollection overrides the Compare function so it compares the two keys as if they were pointers to strings. The compare is done case sensitive. It returns the following results:

-1

if the first string is alphabetically earlier than the second string.

0

if the two strings are equal.

1

if the first string is alphabetically later than the second string.

Errors

None.

See also

Example

Program ex37;

{ Program to demonstrate the TStringCollection.Compare method }

Uses Objects;

Var C : PStringCollection;
    S : String;
    I : longint;

begin
  Randomize;
  C:=New(PStringCollection,Init(120,10));
  C^.Duplicates:=True; { Duplicates allowed }
  Writeln ('Inserting 100 records at random places.');
  For I:=1 to 100 do
    begin
    Str(Random(100),S);
    S:='String with value '+S;
    C^.Insert(NewStr(S));
    end;
  For I:=0 to 98 do
    With C^ do
    If Compare (At(i),At(I+1))=0 then
      Writeln ('Duplicate string found at position ',i);
  Dispose(C,Done);
end.