Support: How do I perform the language based Syntax highlighting in EditControl? : Syncfusion

Windows Forms Edit New EditControl (v3.0 and later)

How do I perform the language based Syntax highlighting in EditControl?

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This sample demonstrates the language based Syntax highlighting feature in EditControl.

EditControl supports Syntax highlighting for C#, VB, XML, HTML, Pascal and Delphi.

Please refer to the code snippets below and the sample attached to know how to customize the configuration settings at run-time.

Code to invoke Configuration dialog for customizing configuration settings at run-time

private void menuItem1_Click(object sender, System.EventArgs e)

{

try

{

IConfigLanguage activeLang = this.editControl1.Parser.Formats as IConfigLanguage;

frmConfigDialog editConfig = new frmConfigDialog(this.editControl1.Configurator,activeLang);

if(editConfig.ShowDialog(this) == DialogResult.OK && activeLang != null)

{

IConfigLanguage newLang =

editConfig.Configurator.KnownLanguageNames.Contains(activeLang.Language)?

editConfig.Configurator[ activeLang.Language ] : editConfig.Configurator.DefaultLanguage;

if( newLang != null )

{

this.editControl1.Configurator = editConfig.Configurator;

this.editControl1.ResetColoring( newLang );

}

catch( ArgumentException ex )

{

Debug.WriteLine( ex.Message + Environment.NewLine + ex.StackTrace );

throw;

}

private void menuItemCSharp_Click(object sender, System.EventArgs e)

{

this.editControl1.LoadFile("..\\..\\Test Files\\CSharpSource.cs");

}

private void menuItemVB_Click(object sender, System.EventArgs e)

{

this.editControl1.LoadFile("..\\..\\Test Files\\VBSource.vb");

}

Code to invoke Configuration dialog for customizing configuration settings at run-time

Private Sub menuItem1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles menuItem1.Click

Try

Dim activeLang As IConfigLanguage = Me.editControl1.Parser.Formats '

Dim editConfig As New frmConfigDialog(Me.editControl1.Configurator, activeLang)

If editConfig.ShowDialog(Me) = DialogResult.OK AndAlso Not (activeLang Is Nothing) Then

Dim newLang As IConfigLanguage =

IIf(editConfig.Configurator.KnownLanguageNames.Contains(activeLang.Language),

editConfig.Configurator(activeLang.Language), editConfig.Configurator.DefaultLanguage) 'TODO: For performance

reasons this should be changed to nested IF statements

If Not (newLang Is Nothing) Then

Me.editControl1.Configurator = editConfig.Configurator

Me.editControl1.ResetColoring(newLang)

End If

Catch ex As ArgumentException

Debug.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace)

Throw

End Try

End Sub

Private Sub menuItemCsharp_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles

menuItemCsharp.Click

Me.editControl1.LoadFile("..\Test Files\CSharpSource.cs")

End Sub

Private Sub MenuItemVB_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles

MenuItemVB.Click

Me.editControl1.LoadFile("..\Test Files\VBSource.vb")

End Sub