Como fazer um auto-completar na fast colored text box (csharp)

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Eu estou desenvolvendo um programa chamado Raspy Studio(Ele é feito em Csharp com windows forms), ele é basicamente um editor de código leve feito para rodar em pc's fracos, e ele já tem vários recursos com Syntax Highlight e etc, mas eu estou pensando em fazer uma grande atualização nele com vários recursos novos, e um deles é o sistema de auto-completar.

[Edit by 0x1AA, google translate]
I am developing a program called Raspy Studio (It is made in Csharp with windows forms), it is basically a lightweight code editor made to run on weak PC's, and it already has several features with Syntax Highlight and etc, but I am thinking to do a major update on it with several new features, one of which is the auto-complete system.

What I have tried:

Ultimamente eu estava procurando por FastColoredTextBox aqui no CodeProject e achei um cara mostrando cada recurso da FastColoredTextBox e um deles era o auto-completar mas não tinha nenhum exemplo de como fazer, se você poder me ajudar com isso eu vou colocar seu nome(Do seu perfil do CodeProject) nos créditos e agradecimentos do programa!

[Edit by 0x1AA, google translate]
Lately I was looking for FastColoredTextBox here on CodeProject and I found a guy showing each feature of FastColoredTextBox and one of them was the auto-completion but there was no example of how to do it, if you can help me with that I will put your name (From yours CodeProject profile) in the program credits and thanks!

Posted 27-Aug-20 10:56am

NicolasDEV

Updated 17-Dec-20 19:17pm

User 11060979

v2

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[no name] 27-Aug-20 18:09pm

This is an English language forum. Please write in English ;)

Garth J Lancaster 27-Aug-20 23:39pm

I'm sure you meant "Este é um fórum em inglês. Por favor, escreva em inglês ;)" :)

Afzaal Ahmad Zeeshan 27-Aug-20 21:37pm

And the problem with the new features is?

If you are interested in learning more about a sample from one of the articles, please ask the question under the article; QA is off-topic for article discussions.

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Sandeep Mewara · Accepted Answer · 2020-08-27T19:44:00

Okay, given you are new to forum, I looked.

Article in discussion seems to be: Fast Colored TextBox for Syntax Highlighting[^]

There are samples for it. Sample usage of autocomplete:

C#

public partial class AutocompleteSample : Form
{
    FastColoredTextBoxNS.AutocompleteMenu popupMenu;

    public AutocompleteSample()
    {
        InitializeComponent();

        //create autocomplete popup menu
        popupMenu = new FastColoredTextBoxNS.AutocompleteMenu(fctb);
        popupMenu.MinFragmentLength = 2;

        //generate 456976 words
        var randomWords = new List<string>();
        int codeA = Convert.ToInt32('a');
        for (int i = 0; i < 26; i++)
        for (int j = 0; j < 26; j++)
        for (int k = 0; k < 26; k++)
        for (int l = 0; l < 26; l++)
            randomWords.Add(
                new string(new char[]{Convert.ToChar(i + codeA), Convert.ToChar(j + codeA), Convert.ToChar(k + codeA), Convert.ToChar(l + codeA)}));

        //set words as autocomplete source
        popupMenu.Items.SetAutocompleteItems(randomWords);
        //size of popupmenu
        popupMenu.Items.MaximumSize = new System.Drawing.Size(200, 300);
        popupMenu.Items.Width = 200;
    }

    private void fctb_KeyDown(object sender, KeyEventArgs e)
    {
        if (e.KeyData == (Keys.K | Keys.Control))
        {
            //forced show (MinFragmentLength will be ignored)
            popupMenu.Show(true);
            e.Handled = true;
        }
    }
}

There is a folder called 'tester' in one of the download attachment zip. It contains all the samples. Try out!