How to run a Lua script within a Windows Forms TextBox

Question

I used Visual Studio 2019 to build a form of some sort that I want to use to execute scripts in a TextBox within that textbox, so if I do print("Hello"); the next line will be hello. I use FastColoredTextBox to do that and I noticed it has a language property that I already set to Lua. How can I actually execute commands within that textbox tho?

I appreciate all your help :)

Reza Aghaei · Accepted Answer · 2020-12-28 07:32:52Z

1

You can install DynamicLua package to compile and run Lua code in C#.

For example, I assume you have a fastColoredTextBox1 on your form and a button to toolStripButton1 to run the code, then you can add the following code:

private void Form1_Load(object sender, EventArgs e)
{
    this.fastColoredTextBox1.Language = FastColoredTextBoxNS.Language.Lua;
    this.fastColoredTextBox1.Text= "function echo(s) return s end" + "\n" +
        "return echo(\"Hello!\")";
}

private void toolStripButton1_Click(object sender, EventArgs e)
{
    dynamic lua = new DynamicLua.DynamicLua();
    var result = lua(fastColoredTextBox1.Text);
    MessageBox.Show($"{result}"); 
}

edited Dec 28, 2020 at 7:32

answered Feb 20, 2020 at 7:21

Reza Aghaei

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