Users' questions

What can TStringlist be used for in Delphi?

What can TStringlist be used for in Delphi?

TStringList is a utility class type. It is extremely useful for many kinds of list processing. Items in a string list may be inserted, moved and sorted. The list can be built string by string, or loaded from a comma separated big string, or even from a text file.

How do you implement an interface in Delphi?

To implement an interface you need to add the name of the interface to the class statement, as in: In the above code a Delphi form named “MainForm” implements the IConfigChanged interface. Warning: when a class implements an interface it must implement all its methods and properties.

Is the TStringlist function derived from tstringers?

TStringList is derived from TStrings. Whilst you can use TStrings, it is not recommended since it is incomplete – some of the methods are abstract. TStringList implements these abstract methods (Clear, Delete and Insert). We’ll cover the main properties and methods of TStringList, including those derived from TStrings

Which is the correct way to insert a string in Delphi?

Inserts a string at the given index position. Position 0 will force an insert at the start. Deletes the string at the given index. Deletes all strings from the list. Moves a string from one index position to another, shifting other strings around as appropriate. Swaps two strings in the list, as identified by their index positions.

How are key and value pairs stored in Delphi?

You can use a TStringList to store Key-Value pairs. This can be useful if you want to store settings, for example. A settings consists of a Key (The Identifier of the setting) and the value. Each Key-Value pair is stored in one line of the StringList in Key=Value format.

How to store name and value pair in TStringlist?

With this blog I guess you have some idea and used TStringlist. But TStringlist provides a distinct feature that allows to store Name and Value pair as a list item at a same time like ‘James=1’ in which James=Name and 1=Value. And some TStringlist properties or methods used for Name and Value pair are…

How to separate a list of strings in Delphi?

Used to separate strings when using DelimitedText . Strings in a string list can be treated as name/value pairs, as in the second code example. Each string must have no embedded blanks, and contain an embedded = sign (or whatever the current NameValueSeparator variable is).