How to turn on the Content Dividers feature in WinForms SyntaxEditor (EditControl)?
Content dividers
You could specify the Content Dividers by setting the ContentDivider field to true within the lexem definition in the configuration file.
XML
<lexem BeginBlock="Function" EndBlock="End Function" Type="KeyWord" IsComplex="true" IsCollapsable="true" Indent="true"
CollapseName="{Function...End Function}" AutoNameExpression='.*Function.*\s+(?<text>\w+)\s*\(' AutoNameTemplate="Function [${text}]"
IsCollapseAutoNamed="true" ContentDivider="true" >
<References>
<reference RefID="777"/>
</References>
<SubLexems>
<lexem BeginBlock="\n" IsBeginRegex="true" />
</SubLexems>
</lexem>
Reference link: https://help.syncfusion.com/windowsforms/syntaxeditor/text-visualization#content-dividers
