Property UndoOptions

Namespace

Alternet.Editor.TextSource

Assembly

Alternet.Editor.v9.dll

UndoOptions

Gets or sets options for undo and redo operations.

public virtual UndoOptions UndoOptions { get; set; }

Property Value

UndoOptions

Examples

Here is how to use a UndoOptions in the C# code:

using System;

using Alternet.Editor;
using Alternet.Editor.TextSource;

public partial class Form1 : Form
{
    private TextSource textSource;
    private void Form1_Load(object sender, EventArgs e)
    {
        var syntaxEdit = new SyntaxEdit(this.components);
        textSource = new TextSource(this.components);
        textSource.LoadFile("myfile.txt");
        textSource.UndoOptions = UndoOptions.GroupUndo | UndoOptions.AllowUndo;

        syntaxEdit.Source = this.textSource;
    }
}

Here is how to use a UndoOptions in the Visual Basic code:

Imports System

Imports Alternet.Editor
Imports Alternet.Editor.TextSource

Partial Public Class Form1
    Inherits Form

    Private textSource As TextSource

    Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs)
        Dim syntaxEdit = New SyntaxEdit(Me.components)
        textSource = New TextSource(Me.components)
        textSource.LoadFile("myfile.txt")
        textSource.UndoOptions = UndoOptions.GroupUndo Or UndoOptions.AllowUndo

        syntaxEdit.Source = Me.textSource
    End Sub
End Class

Remarks

UndoOptions property determines how exactly undo operations are performed, such as whether similar operations, like text insertion, should be grouped.