How to Indent and Outdent text in WinForms SyntaxEditor (EditControl) without selection?

Point savepoint = new Point();
void editControl1_MouseDown(object sender, MouseEventArgs e)
{
    //Need to set cursor position on mouse down.
    savepoint = this.editControl1.CurrentPosition;
}
void editControl1_KeyUp(object sender, KeyEventArgs e)
{
    //Need to set cursor position on up or down.
    savepoint = this.editControl1.CurrentPosition;
}
private void button1_Click(object sender, EventArgs e)
{
    //Indents selected text of the EditControl.
    this.editControl1.IndentSelection();
    //To set the EditControl on focus
    this.editControl1.Focus();
}
private void button2_Click(object sender, EventArgs e)
{
    //Outdents selected text of the EditControl.
    this.editControl1.OutdentSelection();
    if (!this.savepoint.IsEmpty)
        //Gets the current position of the EditControl.
        this.editControl1.CurrentPosition = savepoint;
    //Moves caret to the beginning of the line. First whitespaces are skipped.
    this.editControl1.MoveToLineStart();
    //To set the EditControl on focus
    this.editControl1.Focus();
    //Reset the selection.
    this.editControl1.ResetSelection();
}

Private savepoint As New Point()
Private Sub editControl1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs)
    'Need to set cursor position on mouse down.
    savepoint = Me.editControl1.CurrentPosition
End Sub
Private Sub editControl1_KeyUp(ByVal sender As Object, ByVal e As KeyEventArgs)
    'Need to set cursor position on Keyup.
    savepoint = Me.editControl1.CurrentPosition
End Sub
Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button1.Click
    'Indents selected text of the EditControl.
    Me.editControl1.IndentSelection()
    'To set the EditControl on focus.
    Me.editControl1.Focus()
End Sub
Private Sub button2_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button2.Click
    'Outdents selected text of the EditControl.
    Me.editControl1.OutdentSelection()
    If Not Me.savepoint.IsEmpty Then
       'Gets the current position of the EditControl.
       Me.editControl1.CurrentPosition = savepoint
    End If
    'Moves caret to the beginning of the line. First whitespaces are skipped.
    Me.editControl1.MoveToLineStart()
    'To set the EditControl on focus.
    Me.editControl1.Focus()
    'Reset the selection.
    Me.editControl1.ResetSelection()
End Sub