How to use Autoindent and AutoReplaceTrigger functionalities in WinForms SyntaxEditor (EditControl)?

this.editControl1.UseAutoreplaceTriggers = true;
this.editControl1.Language.AutoReplaceTriggers.AddRange(new AutoReplaceTrigger[] { new AutoReplaceTrigger("endif", "endIf") });
void editControl1_KeyUp(object sender, KeyEventArgs e)
{
if (((this.editControl1.GetLine(this.editControl1.CurrentLine)).FindLexemByColumn(this.editControl1.CurrentColumn - 1)) != null)
{
foreach (AutoReplaceTrigger trigger in this.editControl1.Language.AutoReplaceTriggers)
{
ILexem lem= this.editControl1.GetLine(this.editControl1.CurrentLine).FindLexemByColumn(this.editControl1.GetCurrentWordColumn());
Console.WriteLine(lem.Text);
// If the current word has to be replaced
if (trigger.From == ((this.editControl1.GetLine(this.editControl1.CurrentLine)).FindLexemByColumn((this.editControl1.GetCurrentWordColumn()))).Text && this.editControl1.AutoIndentGuideline)
{
//Delete the word
this.editControl1.DeleteText(this.editControl1.Parser.GetCoordinatePoint(this.editControl1.CurrentLine, this.editControl1.GetCurrentWordColumn()), this.editControl1.Parser.GetCoordinatePoint(this.editControl1.CurrentLine, (((((this.editControl1.GetLine(this.editControl1.CurrentLine)).FindLexemByColumn(this.editControl1.GetCurrentWordColumn())).Text).Length) + this.editControl1.GetCurrentWordColumn())));
//Insert the word
this.editControl1.InsertText(this.editControl1.CurrentLine, this.editControl1.CurrentColumn, trigger.To);
int start = this.editControl1.CurrentColumn - lem.Text.Length;
CoordinatePoint _EndPoint = this.editControl1.Parser.GetCoordinatePoint(this.editControl1.CurrentLine, start);
CoordinatePoint _StartPoint = this.editControl1.Parser.GetCoordinatePoint(this.editControl1.CurrentLine, start - 1);
this.editControl1.DeleteText(_StartPoint, _EndPoint);
this.editControl1.CurrentColumn = this.editControl1.CurrentColumn + lem.Text.Length;
break;
}
}
}

Me.editControl1.UseAutoreplaceTriggers = True
Me.editControl1.Language.AutoReplaceTriggers.AddRange(New AutoReplaceTrigger() { New AutoReplaceTrigger("endif", "endIf") })
Private Sub editControl1_KeyUp(ByVal sender As Object, ByVal e As KeyEventArgs)
If Not ((Me.editControl1.GetLine(Me.editControl1.CurrentLine)).FindLexemByColumn(Me.editControl1.CurrentColumn - 1)) Is Nothing Then
For Each trigger As AutoReplaceTrigger In Me.editControl1.Language.AutoReplaceTriggers
Dim lem As ILexem= Me.editControl1.GetLine(Me.editControl1.CurrentLine).FindLexemByColumn(Me.editControl1.GetCurrentWordColumn())
If trigger.From = ((Me.editControl1.GetLine(Me.editControl1.CurrentLine)).FindLexemByColumn((Me.editControl1.GetCurrentWordColumn()))).Text AndAlso Me.editControl1.AutoIndentGuideline Then
Me.editControl1.DeleteText(Me.editControl1.Parser.GetCoordinatePoint(Me.editControl1.CurrentLine, Me.editControl1.GetCurrentWordColumn()), Me.editControl1.Parser.GetCoordinatePoint(Me.editControl1.CurrentLine, (((((Me.editControl1.GetLine(Me.editControl1.CurrentLine)).FindLexemByColumn(Me.editControl1.GetCurrentWordColumn())).Text).Length) + Me.editControl1.GetCurrentWordColumn())))
''Insert the word
Me.editControl1.InsertText(Me.editControl1.CurrentLine, Me.editControl1.CurrentColumn, trigger.To)
Dim start As Integer = Me.editControl1.CurrentColumn - lem.Text.Length
Dim _EndPoint As CoordinatePoint = Me.editControl1.Parser.GetCoordinatePoint(Me.editControl1.CurrentLine, start)
Dim _StartPoint As CoordinatePoint = Me.editControl1.Parser.GetCoordinatePoint(Me.editControl1.CurrentLine, start - 1)
Me.editControl1.DeleteText(_StartPoint, _EndPoint)
Me.editControl1.CurrentColumn = Me.editControl1.CurrentColumn + lem.Text.Length
Exit For
End If
Next trigger
End If
End Sub