MyChatScripts: property TStringList.Duplicates, actions with string copies
"For developers", "Server scripts", "Functions description", "Strings", "TStringList", "Properties", "Duplicates".
When inserting new strings to the list, set the behavior of this TStringList class: ignore copies, add them, or mark as error.
This property works only if the string list is sorted.
Syntax
property TStringList.Duplicates: TDuplicates;
Parameters an return values
|
dupIgnore |
ignore copies and do not add them to the list; |
|
dupAccept |
add any strings; |
|
dupError |
ignore copies and do not add them to the list by generating an error of adding an element. (use try...except). |
Example
var
SL: TStringList;
procedure FillList;
var
i: integer;
begin
for i := 1 to 20 do
SL.Append(IntToStr(random(5)));
end;
begin
SL := TStringList.Create;
SL.Sorted := true;
SL.Duplicates := dupAccept;
FillList;
mLogScript(SL.CommaText, 'Enable duplicates');
SL.Clear;
SL.Duplicates := dupIgnore;
FillList;
mLogScript(SL.CommaText, 'Disable duplicates');
SL.Free;
end.
Script work result
[16:48:28] (Log "DuplicatesProperty"): [Enable duplicates] 0,0,0,0,0,1,1,1,1,2,2,2,3,3,3,3,3,4,4,4
[16:48:28] (Log "DuplicatesProperty"): [Disable duplicates] 0,1,2,3,4
[16:48:28] (Run "DuplicatesProperty"): Script operation time: 5 ms
[16:48:28] (Run "DuplicatesProperty"): Script done successfully.